{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "356671",
    "entityType": "User",
    "nonce": "0xc4267dc1462dd701b7aed9c76fc3b66087316ad9b1d0e8a5a9671f7efd2129ac",
    "signature": "0x53fa295c9032cff1e5283194e1dc6046f3b7c177cab96488cecd6ad6ed12befd4b07e1f99d866f27680e0ddb45f4b5353c035f1672e81b852f56ed8332fcbfa41c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}