{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xbb23ee4a449c7a6ff3996a271c534f43d3737f7a4992f26b686f5284cca2253f",
    "signature": "0xcb09d513d5c3709f3c2c748bd0a740cb64756481d3124d1db405b090e6240695361fe185bfde97c2887611c7014114f7ccba621ed2bfce731de00bee462490f61c",
    "signer": "0x9Beb05748ef9A407E988F7D096473702b6c3D677",
    "userId": "971863365"
  }
}