{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0xb08229dc7a8c01be2129df9e89264890a3b14f5b508679a7b66de0da0be681a8",
    "signature": "0xfcf4760b1e18b51c9725e02ea56b341515c9d745d9ed7e27270c938a415246d57e5bc1adbbe79a91c1b34280f770df2937dd4cd5c3caf9b5b90c5d848e7ac1ea1b",
    "signer": "0x02B1Df02df352354507f0E53a1ee270280c3e882",
    "userId": "509083804"
  }
}