{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35251",
    "entityType": "User",
    "nonce": "0x8e1416df89135bc2df0040965063b5d589584aad11fd68a4ecd4f7587338a71b",
    "signature": "0x109bce08587492fef9c42b9b12c3e733be942ef7ef7fb6910fe0cce6b040e32b0e51b0e932524128b670cc070c44a875c6ba30074b5978e57a6a47e7d914a1181b",
    "signer": "0x887ff90b6e9a2F5c6Cf1E862028545C66FC95d72",
    "userId": "141224956"
  }
}