{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x8294b5f08b05ae850c65f800d3f895498e5fe64cee6b66a5516dc540daabfcd0",
    "signature": "0xb58928c1fcee424439c143b3f36dfff7c9346f6343951aef60ffb5e4a84c29e2764ad30e8dadb32e0cf23796365f92bf9467691fa469610cb03778ae82227f8b1b",
    "signer": "0xea79EEd60D97517387a63Acc5fd3BeE2227F1658",
    "userId": "220230236"
  }
}