{
  "manageEntity": {
    "action": "Update",
    "entityId": "800176202",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x98ec13d1abe90356fa9ff59a283c9f3a3f5227fa51b3b2fb30278f5df9475c98",
    "signature": "0x55e4f90d3f571423e164b6e3f859ae6a45448b8c95c7858caebbb33d076bd2be65b304af7f584b72d935ea32486f3e7ee698f05c0b02808370a44a4fe93bdf5b1b",
    "signer": "0xaD38b0B80bc2434434dCd8BfFF2255625ece0C89",
    "userId": "800176202"
  }
}