{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb82042e364a2bce17accf9d48419c3750f815ad78b0fcc23d1b500a95bf9921f",
    "signature": "0xd108adda38ec6bd46d8856ba4ff4a0a0ce9769055024e1be801a2dc89e87615278767190bd3f795c4e6c205a6f1c4f517bca0613811fd8fd192ac0a957db4b791b",
    "signer": "0xdd28570BDB91162D2e6F7F45717CFdbC5F6678Da",
    "userId": "919892466"
  }
}