{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "385866220",
    "entityType": "User",
    "nonce": "0xba1b02301a78e975ba36ad604a60101585a875dbd0e7c446a4606d5d3a577642",
    "signature": "0x5e09fdc9010c7a52e70b0cce51fd5859691e61e67bbf177734bd993af8ee4fbe3dbd685074c885a6b1ea6343cf1cdd7944ed9321b8f2eaeabf4afd59510b6bcf1b",
    "signer": "0x71114Ff581aA73d1F4b6429D7713914f10e8e90B",
    "userId": "894513731"
  }
}