{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x894bcdfbef91c1d4cbcadf06c26cd4d7b1ec49398a1ee22955f2668328383ee9",
    "signature": "0x9583a2a7c2f123b8ccb99450e12d9d97422cafce8f4f85db1c5eaf9b4072bf2164399ff61044abfb2529889e5edd9d7eaa260c625bb4f568a8f5be85a8f1d6c71c",
    "signer": "0xdbb5FeAE65617ed3C8616A66B1152898647cb83F",
    "userId": "936213876"
  }
}