{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "253360517",
    "entityType": "User",
    "nonce": "0xc91b7b6fa15c51b334610e5089985baf2ab79950d7718d482b5ec201fb5b4dca",
    "signature": "0x0789a1fdd59e424d8a28215e0eb6a3632df562d82da05778b06495b27722051e25a19dc413a4befe0e417741548acab786050fa2eb35fe7fe4ffd9f709b1a8731b",
    "signer": "0xA66d5981794A5e084FBD9adBFF28F465924fb9a9",
    "userId": "980224167"
  }
}