{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120749",
    "entityType": "User",
    "nonce": "0x0651c6268b238438e15fbe36919387bb3a8160b441a33788a100a3c0e9866fee",
    "signature": "0x8654ed0be2d24037dc030bb2853f8e9cc795ad9b898310d7f4dd4e677de61269341e89673c9b7eac7c1e220fff5ade40e102be28d0a0bb914749e7b2994693201c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}