{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56024210",
    "entityType": "User",
    "nonce": "0xa9d43160f2c54781940e08b30b6f4d973feb739ae245ddbbf75baf579757e3ee",
    "signature": "0x51e230dc4d21d39977251e7bfbb66b8dba1e74e6af0acc5892b33f2c5a1246e709b14bc106e03e8b97f5e50fb3951ac6d4a4a5e3838ce4074f036cbef379d5351b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}