{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "202423",
    "entityType": "User",
    "nonce": "0x1bf5764ed45f641170846f173faf2589c808ff53cec6df8c0bd749b6cbed2090",
    "signature": "0xe9609b41e0e8e936aeee4c28d0f4b9cb7aba64e45127b1cfa288cd07b164848911f89fe445f2b7455388e6b5714d8d71feda0823e8804079cf4c934442b82c311b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}