{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "185209372",
    "entityType": "User",
    "nonce": "0xb7a9cdeaeaa42198c8064f0792c463c6d62a80d015330c276bc3999bfee35185",
    "signature": "0x7624e2c0c1652b3fd9876850c9943e17da9dfedf6604109cadec81cf0b20296f7094be83722782b4f0128d2b3be223134795306aa3cba96684c2cb8c572116251b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}