{
  "manageEntity": {
    "action": "Update",
    "entityId": "469927725",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xce982b3aafc652315432aaad1c4d5bef12631c32269c7b328ecb55f299d33858",
    "signature": "0x5d23c26a8d7148e2adc3f5d671589f8af5fcfce045aba9b195fad08fb713f0620d8af08ce045687cdeeda6c6fa26dd75ca83e85613410d6ae8c4d5fee45b83491c",
    "signer": "0x5C9d0b3e14DB4F37efB687B511cd2ec874179A36",
    "userId": "469927725"
  }
}