{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "310089",
    "entityType": "User",
    "nonce": "0xe6d876056129d30e47b42c4defab3b42078029faf4808ccf8f6218088a73798c",
    "signature": "0x2c939d992226a7f98d3a0caad2f940740aecf616246f0d5e8df123263e2dad700e957bac5463ecc30c11cc4b481a2ae3dc630fdc55ccb99051b788f3a9c423d91b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}