{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135831",
    "entityType": "User",
    "nonce": "0x67c11c179f03c73246b87358be75dbb3d6741bffdb357d822e8c5d932a872a41",
    "signature": "0x09f65e1cd4f29f4e41b90c9daaca7d7e162bb67187d19031f101d6915a1e2fca38c775fe5a8a9d31f1ac4b973634399b3e71da583454d6eb3e9b33c6ea0ddca21b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}