{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584616263",
    "entityType": "User",
    "nonce": "0x32f339eb758ee2d14bfef8c1ec549da1a3173b87860a84316a718e9915fd3e3a",
    "signature": "0x2fd4cc8ae8c00d9d27390d2786569ebd557609ee5e4ac0d7464a85851140f7d82441677af0be21f9db6de590630275e0cde47ec9dbf804509e7d4c11f13712231c",
    "signer": "0x934E45BE36e38037811AEb6F8eD448164c45408B",
    "userId": "582278090"
  }
}