{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "625897998",
    "entityType": "User",
    "nonce": "0x9d7ece78fadc4712aa1a19af309977f6d90987e3285a2a3fe7cd92bfbcdcb188",
    "signature": "0xf7795936f29d2e56dc0472beff610fea9dc15603231d9334cb567cbde585e58f552f924b638ca5d9f85e6d419a59008bc62dd41fce8b287469ad8d11a9851d071b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}