{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0f8dbdc07a18b826f71276fa4470ebacc107a966779610efb708fb25bfa500f5",
    "signature": "0x28e7e0554ba8364f1507ce4de83faa5a4fef48ef346aced4bcaed50b73f70bbf03605754007359589c3990b7f37c15b121eb5a06bfbcfc7cd9b991bc76e55a8f1c",
    "signer": "0xe794b8da943c2CC440088f3E844a9B5968358c9C",
    "userId": "188079114"
  }
}