{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "374065034",
    "entityType": "User",
    "nonce": "0x30c9d4a5b0d7eb86646ec50b8129819bbaff89b1c7cb99f2754cceb9691f285a",
    "signature": "0xcb2800a9aa6795c5dda3ee17f6f9e37ae1565f253f0dffe7c43273e58172d00012fa813b23277136f9324ce171ce8f5df851843caa132f5ab60b01cc97c728e11c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}