{
  "manageEntity": {
    "action": "Update",
    "entityId": "459024133",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera3bw7rtmb2ikagvu65hz2qvmai7fluykiezk5z5vspevjcnmnp54q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1076897840}]}}}",
    "nonce": "0x31feff03b2d82481441d988da8c0bb5cf1daa386d83fc7abc516950e6933ec39",
    "signature": "0x6c978f5db9607d8ce410672d5326393472f92be2cb451a7c83569209b34a158d4372127df7e802f7f16096c444bd027fbdd9d5504ea346443e2a57f6448f58fb1b",
    "signer": "0xeA92dA3eFabb1d33118a833BEa73D6E1775d21EF",
    "userId": "459024133"
  }
}