{
  "manageEntity": {
    "action": "Update",
    "entityId": "32857072",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf05b964948cd94566feb95b120d7226c0edd0e1fd6f9fd82b79883fce89bce0e",
    "signature": "0x59260ceb014fb16f441b0116e163e25ebd912577a57729ed7bccbafad292f9e06df143320a17cca6a61ed99ffbbcd94525b599bd76a847f77e375c33233bf21e1c",
    "signer": "0x4ffd9A9CBABd1D644808fd0097d9eA029A62DF0d",
    "userId": "32857072"
  }
}