{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0x4c9f9dd328c2d1537ce53feb01699c63be4c5e5764f5a9d71c15cf37a4633c0d",
    "signature": "0x508d426481dc009c0dae0202410657b3f4f7f66cfac68a6b30ea41fe29db9b023e55e84579cb518e3086fd63f2250b6f35e726c2e16d9c3f559bb3446537434e1b",
    "signer": "0x849b8180f084363b37768C823c174C9786020A66",
    "userId": "817339612"
  }
}