{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "957873025",
    "entityType": "User",
    "nonce": "0x7c2f14e2af31916fac5f4bedb448dde4990c3c904ac24c343fa582406375e626",
    "signature": "0xd5153ec42ffdee30f96f72bb60a8d907a19f90c1a0724c47a4c45d3dc62e6e605e2de0540bc971ae7b8b6e077f02fc9d9c8dae437012a497f9d6d02459363d841c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}