{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636966886",
    "entityType": "User",
    "nonce": "0x36fdd4aa77f841ebb2db58ca5ecd23fec972fd32be5a1a1cee1cc85334de8b70",
    "signature": "0xb288c0442c0e1f31d048dfcf34affb89454a43fefd8088db9f62673e36141d9572a8c88aa5143184dc04c6d7fbb18fc8d7b3d7da84599411769801052c9db6051c",
    "signer": "0x1Ef5331d98352E3A7eb4f177ae6BbD27cA99eD1B",
    "userId": "771602835"
  }
}