{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x1c5e680654292069a65d219d609ef8d6a90d2271942f260661573d0311403eb4",
    "signature": "0x735d5ccfe34b6b7f308417126611a975d8b729198ff36e83e5a33317021178cb6e3318336882ee96978736162b19fa13b6ee0905a88cb3b5bc0ecbb0381c2aa91c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}