{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "947140631",
    "entityType": "User",
    "nonce": "0xdd06985c03b9ddba87b143c222098ad2810afc39803998af6fbb37cc24bd4f6f",
    "signature": "0x8cbf27b4580086b0748a97c04d2228f3e8a86620d89ef1bef7d73e51b707a3710b40cf2e59256fc8fea915c36c3f41260883e4f86faf4049a6d6dbb3b9953d731b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}