{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x80a1ff39c785ba463280036c4c3b7d27e0f54c52efe07ce073c41a6efd474303",
    "signature": "0xf6e29e56ea0af36edd368e11eeba615f19237f606648442ce4ab22d024e72e1b65fe0a27609770047c2447af0f1d84b86ffc44f28f893f333b7652185d09f3ff1c",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}