{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1716600",
    "entityType": "User",
    "nonce": "0x66f4bcb4a14eaa6eb1cfe5ba9ee31bb8012b64db1e757013c2b52eb458d7da68",
    "signature": "0xe1d8861ce141840ce427a552291137ac1596e3b57e15d4895e04b3db55af6ff10c26d23dbf5dfc3c61c34145522ccac991849a7ce2ca422ec0bb28d1528658fc1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}