{
  "manageEntity": {
    "action": "Update",
    "entityId": "55106628",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x35d1a9e1bb1b680996d990fe6c5958adbd5558cd61a756c9a7e45c2977d724e1",
    "signature": "0x1d7df5f1a5e58af1d17589a6f90200fe524aa10fb5b6cf4c7aad7262c6ff4faa5091760a0d243bdb692c4cdc8dc9f597de25dd3cfadb50e1f9b46233dd88bda71c",
    "signer": "0x0a058A8C49ae355B4721873dFA85790f1148Fd95",
    "userId": "55106628"
  }
}