{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "780083254",
    "entityType": "User",
    "nonce": "0xd6b4ee680379efe686e99d8cb1c2013fdad503e6dbdafba7a2296125057ae702",
    "signature": "0xac3f8b5362970586b31aa2549ce17f9a81d9283b7cb6cc393acfb886ff2953b24598ce4ee5d0eeb80fd81e2c46b632614b1cebae0495b8ea2d457b948f8baa841c",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}