{
  "manageEntity": {
    "action": "Update",
    "entityId": "237765871",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb6230cae84614a425a3ff247d20ccda4f6fb1b7e2b82b1873ebc0668c02aebf9",
    "signature": "0x7962d544094105860aadf69f125b1d2a2819060f3dad2f13eeb9735bf6902b1a4dc1167728d2b99f929c72923280367f7f5dc5a584c1eb2ede2091c498c754831c",
    "signer": "0x8c716F932726b40bC9E1CEC18f2c93dc876da1Dc",
    "userId": "237765871"
  }
}