{
  "manageEntity": {
    "action": "Update",
    "entityId": "841059385",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4952c9ba8a94926bfa9d8cfd97090b7f9bf69735e325dde7114753b3febeff49",
    "signature": "0x046f02c572e83bbbf5a09ea04c4f8cc3104bba51e83ffb95f03ba848e8f6ebbe3762bb7d42952f733a4a0c04607ee64d9ac682edd08fda4d8cad0247e257fa751c",
    "signer": "0x32a4b3557029E1dd517090D79005fA0d923E8c0b",
    "userId": "841059385"
  }
}