{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xf17cd3727242a4c949c694b56a44953af3c99161bfe61574ac77623e179d14a1",
    "signature": "0xe7dea96f31285f53844328f2de608efa074e06a28624cb4be79d9e05ceb1397217454d57920df6efe7485894b1934e53673c18d405d8f683fbea773693e384541b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}