{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52586",
    "entityType": "User",
    "nonce": "0xf4263d572abbfa6763780082a5ad8c8317d5bcf6801e9ae094a731c657df58eb",
    "signature": "0x9fd94f479c479af3e1e6df6dc71d34391d0b637a18131591100bfea0e0326d1d714aae909cd9a4cb94db1c226a8df102f1d3e4520282711d9a83b248e46c9dd21b",
    "signer": "0xE23f3feF05A8b5A1991dA4BB9D64B45C529C8685",
    "userId": "231290431"
  }
}