{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xb6b13cc336ca8238766bf9eb6d90e6e147a020ae26a5a65a95344c8d160caacf",
    "signature": "0x951f1ef08ebc56882568ba17d88ffe5b6ecf011b1696624619b719b4a6607d615a847f501ac804075227c0015dc469661aba080555d9f013dd3d06326a78362b1c",
    "signer": "0x1f93892aDD3214CdE0F43a53233Ef3621968b772",
    "userId": "661472699"
  }
}