{
  "manageEntity": {
    "action": "Update",
    "entityId": "614239389",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierawctjrm4arhuxn7r5cdxvib6svoxmbkxtjsh2xaauxxk7qu7opp7a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1216737827}]}}}",
    "nonce": "0xbc01b1a09710aefde40a85d6c6a1db492f82f5dc1f23b2802536d63ee8f2f537",
    "signature": "0x498ede399496a38550dcaf6b6aa29d7751986846a4527ccfabef0e79da45dfe92ff3af1056d5696bcbbaddda826dcb06d008f99cb6564575fddc6e53f52199331c",
    "signer": "0x7CBD48746133eD85fF7961BB95ef540342952cf5",
    "userId": "614239389"
  }
}