{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296634",
    "entityType": "User",
    "nonce": "0x56b66006c58126aedb0762c690eaa931a88c849c717435a1f6fbe3e4454d4dfd",
    "signature": "0x2a140786c8719a034dff83ce594a7835630f65dfdae50102b52b3f8d2dd1461f08c3f54904228b98b35f10ae5ecf0bce27aa8e9e8ea4174ac2c954eee144469e1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}