{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54292",
    "entityType": "User",
    "nonce": "0x7ba9b2828295f7b7eadc238dcd1e78e14493b9f0fe3234b2f6bbe88c5c64d39f",
    "signature": "0x94fbe07f210413d57170faba7dd7ddb357d2591282e65640a031ce71f4ec51f72b9c4085cb8920330d9364a052f03ec893e6ea20e4a13c971974f76e349c8b181b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}