{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "295478826",
    "entityType": "User",
    "nonce": "0xcf38c7ee3d842e0a98068c83c6f6dd66aff3e7272fe66a64e1c4e5aef84272a3",
    "signature": "0xeeaff8b04c8fd0354a4fbc0e2893ca6c4047c23cb3937d3dcbb251c490af64296e82be56e8c1e907517d72347889a8e089439fdbe0a61976fb004e16ecfe38801b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}