{
  "manageEntity": {
    "action": "Update",
    "entityId": "760122156",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraawwkvuswxqssoxnjfjhueu727yocdkxbgu7bmjudxfo3gs6md3ya\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":510331271},{\"type\":\"playlist\",\"playlist_id\":1843308620},{\"type\":\"playlist\",\"playlist_id\":781755736},{\"type\":\"playlist\",\"playlist_id\":1671177538},{\"type\":\"playlist\",\"playlist_id\":1840623451}]}}}",
    "nonce": "0x0c4c4e501d692a90f8312edd07b1acc28c7d3f678a71eff206a3fe7c89b093e8",
    "signature": "0xdaf44ef7b76795e4301fb18be25b6cdc0fecd3be906cc90077f663524a6e770c5d4cd96f8f9f9a212aee42bd173622aa8f9f56769824d7ac19acc690e0f57dad1b",
    "signer": "0x4AaEFEc5eDa9eFaA2090e939ABCc15d777818a0e",
    "userId": "760122156"
  }
}