{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170896",
    "entityType": "User",
    "nonce": "0x1c7acf1fd3617d10f076a3a1661c83d9360f811985336542d53858d867c78fc1",
    "signature": "0x55006628258117481215ab110c96efd4ca57294a08837bef0d0c8c2793f73a4539a7b6b5656b1b1c6b17624d3b3ef4969a7e03245fcf56ac8f80c6596a5566131b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}