{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994758391",
    "entityType": "User",
    "nonce": "0x0eedca23b671a3908d53a414c58929856585bf34c92e066cf42198dddcd343b9",
    "signature": "0x326167162ec431b131e60ff0994fbe91987bb92e424fe8c4385b80102502d27b248b0889375546ae3c843de89ca2c0c20ba36b842b2852f5e7c4c3bf88feee5e1c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}