{
  "manageEntity": {
    "action": "Update",
    "entityId": "91971732",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfb62219477b32331ed96183c9dc18eea36947b049116a17ee3b7f9bb9b3b85c1",
    "signature": "0x99e2f690f74356a94fbcc4b6737a49753d1ba1be688efbc41dde00356cf0c34a27f0baa0dd8db7cd883b311fe65cd0bc4efeb5ead992060c2c694a05a51e30851b",
    "signer": "0x730B11b968BBfE340c06F9E8A3FEeEc465CC22a7",
    "userId": "91971732"
  }
}