{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "284841",
    "entityType": "User",
    "nonce": "0x57f66ec98d4bb5d8bd0979b70b442abce1eaf38c4d0dccdc2c7595f0a6b313ef",
    "signature": "0x18b73644890bb6a657ed628e5339b1bcbbd0815b372f68c5b8207601af16ca1a617e7356fd77974cb953fdea70551ea318580d32f3c545f805ad60fb1fae4fbb1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}