{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x85a8796a6c3c29167efb7f0e17fb18b7fa92d5723322225cd4f93bd7f7530a06",
    "signature": "0xcfc6b5c86b6269cb9aa118fb6d0f7716b3ec0ce5edfd3e144517d8f7f1f1079d3b159d9b387a68637efe44f6184515e443f5b9c24e37c777938526d9a4df0f841c",
    "signer": "0xEEAa84786FAda8Cfe291Cc0469c585882Cfb1320",
    "userId": "333489118"
  }
}