{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "718520160",
    "entityType": "User",
    "nonce": "0x41228494ee9adc4ee729fec28a5046ab215f2484104bf14667ee547abca313d9",
    "signature": "0xbb0d18e4640efbe70461a50cfb113a11647f14cd52a35cb67c44c2ee7534e4814dadc3e5363f4928bbba7cafab451e370a3fb229026947ac2185538e3623c7c01c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}