{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x8a684b7786f604c3893f5f8a13516255d4b7eec9daceefdd6338988c26887700",
    "signature": "0x5362d7f5c48b8951b300bc24f109aa08ed76df244d40be0aa6d4f5326291d00a7a7d3bedc4c417f9c9e70e0f34a6cf17352ed0336cad3d17857ab37ed6bb1a081b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}