{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x30d3323271899f3aa7874f5b53f96e33344e7596f2a98b4c0930c608ae480cf2",
    "signature": "0x36e50b048f4b198fa8905046c354a464bae0a4a947db89107fd1812ad1b9d01470f5495e9e4ae704696d3dc1ea9976a4077178e6622baa7ff4cc68701b81d6621c",
    "signer": "0x406fd2b6f6C6cC5622Ac1c5799cE4911D81e02a7",
    "userId": "461949730"
  }
}