{
  "manageEntity": {
    "action": "Update",
    "entityId": "237765871",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6f0212426ec71e7109cf78b0c9ab7a4fd9560482800047a36ce689063c22165b",
    "signature": "0xf4604dbff2b1c3c54a952dc03e88cbb7004e93b4e1d4784bcd6ebde79343463e0747a45c41c9f3f659e0d30b2c59dd9e2bb5f880dd2fcabd1d6ea43dfda573eb1c",
    "signer": "0x8c716F932726b40bC9E1CEC18f2c93dc876da1Dc",
    "userId": "237765871"
  }
}