{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357762",
    "entityType": "User",
    "nonce": "0x035b906205a30c45e37ac65e5c7768d1be1625e070b203584f6090c04735542e",
    "signature": "0x6e5f47de13da29c20826d75e341e90a11f9fffd39742e27b2e65f7fd4da50ae3133fcb8f26a74a2a6738409c79dd853c3675bd00800a9203678f7efde8c74e7c1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}