{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xd29b14b03d3ce071818ffd9b1bab7e9dba060a4a23a9f4f235c6afec6c4238a7",
    "signature": "0x987873be92dc3262dfc81bc606d3f755c0a133056e6708893696fddc69a843b872ffa20882a6a758ce3070d71da2248fb463a5631436cb5863338bdde38d25581c",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}