{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "482935408",
    "entityType": "User",
    "nonce": "0x47881be9246a8b6e734d07c0887f3357c4606991e238849ceb91a5c74428e2ef",
    "signature": "0x03a63f02122469ed2434b830b53c4a55a6d9ee4f33f0d219e76a4a2d1fea982804e073eadf66d27c2f925a5b92f4fd0691a82a9d269fd74141b9a5389cfd3fb81c",
    "signer": "0xCCA88a6013df58bb68F420Ed2f4a3d2ac0C7405A",
    "userId": "322306"
  }
}