{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "933842159",
    "entityType": "User",
    "nonce": "0x4537b039875bcbfab5d5f46fd5e8965a7d3c6638f014e07976e5b26b0f9fc7e0",
    "signature": "0x3e52518893f2758cec5dc0b8ff52925dbec1c4b38c5063bb9c06f10ec1007e9d438d6555bffda3144da4911e3b7fa094052665ae86aa638557d652f581659bb31c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}