{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125737",
    "entityType": "User",
    "nonce": "0xbad280990edd98e7ea2eac7bf7c8ab511ff675c15a2b4dd59014a4d9220a633d",
    "signature": "0x7dee1e41913c4d654fbc6f001dbcadf9f5ab13097bbaa16ce42ea4afc1218163300850086c3f1d2c6005bb5df1566cb6b98d6e3b523731c6dd7f0d19e613ea9a1b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}