{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "253160273",
    "entityType": "User",
    "nonce": "0x59e073ce0d010eb1731dab8c796a4c3c0c7051f29be89f756bd74f73975bcae2",
    "signature": "0x4a8a5c16dbe36acd774f3637b8a2f2c9ff3d6ce2150ce57f165adf4600b612882eeda1cf259b786e54e9f7108aea30aadbca50dce4e0295102a173f1f6c2a3f41b",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}