{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296466",
    "entityType": "User",
    "nonce": "0xa06f2cbc54e1555da972515ecbb1cb6e302a41af23cbfec02fd08c700c63d505",
    "signature": "0xad936df652bc4d21ff49d7ae635f698b28081e3340bfc34c322370aa1d6ea10312f47f72152c5897dc36b4abc29ddfbedafd6cf001370887a218f1618822a8611b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}