{
  "manageEntity": {
    "action": "Update",
    "entityId": "725523395",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xab84a7820022c9cf130223bc402e26f19fd39459fcff3c1f236ff5be49e5c9aa",
    "signature": "0x9d67448cb1c1ac06d916b95bad10cd95a4ccc38c3a5d77d0f7074af8321157a448d5af1b9208ce6bb12110e5442af5948d3c55f9476c94cd98351908593a66691c",
    "signer": "0xB1DEa142b6c9E2e5781A6112858f1fA48322b2B5",
    "userId": "725523395"
  }
}