{
  "manageEntity": {
    "action": "Update",
    "entityId": "834540087",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb51a27fc5e8d9340fb30a3506983e108a87348fcc7990b30a5b7f84186ace369",
    "signature": "0x7a97b93dcd990619e6a0a4efd2106ec24f98d77c6ce13d6c1c080d7d3d75ded50e97ce1f0897e3cc56db2752cf0fa219846546f471a8a1cd9c028cdfe535df011c",
    "signer": "0xF0CaA5581Af6ee80150b5aA4643d1069EC176dB6",
    "userId": "834540087"
  }
}