{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x22abb37bda98e40366b6f0beeb2818aa9a20d5a1be22174c09258153413fa9d1",
    "signature": "0x0a895c26897adb1cf693de6234369f190009208aeb48e4bfc86f30378d47e81312b4d9d3344ed28418f78f9376b10edc7a88181d780efc7775ec35b5f1fef28d1b",
    "signer": "0x96c9D2dAAAde9dAe1054b7491317b39dEb70d5F0",
    "userId": "537662360"
  }
}