{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x204f6f6afb985d196e1c1c152820e6be40c60101c9e4233dcfaae1aad1d7d599",
    "signature": "0x5a7753817f5fcbef068bf2e902dbc1e81378fef466bcd9ca1230350fd2b3f9960948ccb3e3325b8e097d311659e79792750a276618c75d9fa051711e1392632c1c",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}