{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14707",
    "entityType": "User",
    "nonce": "0xf4f08b72bccc4659b52c326a3a2883824fb59dc362b1627ab090236b3afad5f9",
    "signature": "0x28aac2c52308dc92856bc0c70169bb2b50f712ec34218066925e180842197eaa470802285f670c7b892d9a5cfde124a746c68d01baa255a52f372d10a5c7c3491c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}