{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951995708",
    "entityType": "User",
    "nonce": "0xaab9ca85ddc2a4f64b939b7991e1605f7abe9e648bc124dba9f6799ac3b50ee9",
    "signature": "0xc6fb0dadb4abb14f9dfcdf92ca5f49f11956dc196167c114074d75b183b417fb28f1743fdf008a6ffb521d3e03c152a95fc1099b1ea9e650de6ebf6c5ea2a1341b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}