{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1831424",
    "entityType": "User",
    "nonce": "0x089d139cd29c9c5c8429b6feeaadb5e653603ecadd1025ed56ec31914da021f5",
    "signature": "0xe86ea762c2d1e9cc6dff66888061446860d4c91be56a682ba9d2d91a0a23589657540750b7381b8a5d413dce4b11017a12cfd6ff50d50d3e96b106bff4a0ea321b",
    "signer": "0xC75a276D0a36850045510B0483E737bCDd1F5E9b",
    "userId": "588125677"
  }
}