{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "776731487",
    "entityType": "User",
    "nonce": "0xe81118853c96175cc0827485a16b2052f3f1b611cf037326d75db8ee23c8c46e",
    "signature": "0xbd42f180d84dbabab3d8b37ef459d1509d3d055ef7a1e05f4b02a401a58185c441ba544ac2f15ac59cf7738fc4367e5169e9b278186ce80ce6346559dd95c20e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}