{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954117045",
    "entityType": "User",
    "nonce": "0xcb8df4caa75bbf3af10b54c7c6f973e5bdb6d26bab2eb5fb98580af86a95e597",
    "signature": "0xc2ba2284865066630c45a5b97be6e173a1f69924fb1562b7205e5e8af7b63f0c2cd8e6b1ae09c48d509afb235b7a7d6b5d0be74efd606ac3b8313806c550de9c1c",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}