{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "871265248",
    "entityType": "User",
    "nonce": "0x5a880d27ad7aeaf2a97c7e6cbc0824336c29d038251021c95de4cec437ee9c4d",
    "signature": "0xf1dc21804e82fa866ffef704108bfaa57c98c64a7d7053e6d8351112833d87b75dae3e88c26f93a2359ecb0fb4e971fb3ba524d855d4862ba6406cd406c2cfef1b",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}