{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994758391",
    "entityType": "User",
    "nonce": "0xf8925881c935f41473a3f44a11f2c911111691d810a55466ba52c1e43d5a353f",
    "signature": "0x0c785d6834b502a0100a104dd46fbbc31495fd487e69806a7880475a1abc2f5c413d1053454afc9b78ca1365cf05b4da6debcc80f7e5cce4ada1693b53e769ec1c",
    "signer": "0xbd126Da914dEF5554d9f1d0c31544e8646419780",
    "userId": "81556"
  }
}