{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x0476398aff1062a45fdd84589fa1d333893ca4ef97b4dd4d86269d73fd46f1d1",
    "signature": "0xba19fe1e4e32191702d8f85325dcacb08910de385bc491fe56029227f40f8a9c744e52d6601ea2e33513f2c5ee66c814c7ad90e01f161e86fafed61530e67fea1c",
    "signer": "0x01239212E248C7662165f84426023727b8FDCa0a",
    "userId": "716849471"
  }
}