{
  "manageEntity": {
    "action": "Update",
    "entityId": "58600206",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xada61342e0daf5fb5fd1bc7de03ebb6063e29c8bd166a67d7dee29376d30f827",
    "signature": "0xb147e9e3971a3f32cdaa1599aaa8a30fcc82352f9e00c86828e326c47003ff12292acbbca414d07cb5576197ead48eb402245d212fde79481684b06153cbf6a51c",
    "signer": "0x7D89eD1c2C9744b86AE1D1301E8F342289D2f3cB",
    "userId": "58600206"
  }
}