{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100976759",
    "entityType": "User",
    "nonce": "0x3c59f6b79846f35f2b57d4e1434608e809774a31c443b0a37cc47a6914182fbb",
    "signature": "0xdfa1469828ce51b72462d0fca86709e193baf792eb21ad374a6d0adea87871225ec7dfeb47824ad0ee8498e930e0fa0ce6de2d4bc367e53c7901cffe1c63c5ea1c",
    "signer": "0xA8E1cE675dBEd345a9adb36164b885c087c0DBFC",
    "userId": "284000"
  }
}