{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1495091",
    "entityType": "User",
    "nonce": "0xd0b943397cafc438f1499524e26a2d11c14ae9160342e2c882210200882338ab",
    "signature": "0x1d407159820ceb6bfbe833bc2f6941f817ad252372430e0f242f3a477df9a27f7337ea9e06ebffbb18625acb602feefead52120f72c41190baf26ea5733971561c",
    "signer": "0x9731c27a228046e65489b08a1C3f1A64f7093B55",
    "userId": "848409996"
  }
}