{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967323686",
    "entityType": "User",
    "nonce": "0x853d09a70f9f6f85bd05012f62b81c6f1f56739773ac13b7af65ddce2a67f07d",
    "signature": "0xfb8307c1554c05f235de6cd8ff6b62ade502ba481a787e1e61bb5b31333a21a65cacd737fea00daf97058d76879fe2a9a4b5672d79827063d671f47d5199d9191c",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}