{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "420647095",
    "entityType": "User",
    "nonce": "0xcb0d9aa7d9ab6cb36d253227210ec3ebc86f7073bc82f6b86473a4630372bcf7",
    "signature": "0x7d724e4f26996d8bedbec922d7ac45bb432c2eb5b64f177519bf76ac8e0fc7e96c8bbf1a40de39480a0a8f497dc356db087849e616df52b0917e740eb0a1016c1c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}