{
  "manageEntity": {
    "action": "Update",
    "entityId": "309146221",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierabmoo5xe75t4nx7rquvwbc3uxfyspn4jspkstmolqxfqhi72zacta\",\"data\":{\"name\":\"yar\",\"handle\":\"malatang\",\"location\":\"Songpa-gu\",\"events\":{},\"is_deactivated\":false,\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x425b3d7827cccae518cbb397c2350b3cfe135f86f06c77e64e2e026ff47d645c",
    "signature": "0xd982f6bd2cab0e2aaa0b213659acc2584b22e935cd2a092f03bd3231cc1b425660e3386169e98fe72b70aa7950734fb22d88d089541047ecf0447f5393bcbd421b",
    "signer": "0x448376AE1E7982bC4C7E683D1c3D06403e48c3b6",
    "userId": "309146221"
  }
}