{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "856281",
    "entityType": "User",
    "nonce": "0x86ba984cc202d49d838c7f32bd7d22dfc5b9a6d70830986331d92c9ebcb72e2a",
    "signature": "0x2e1ec4e51c19282d85a72650136f3c883fbeb863feac8681f78d8e34bc654875733f6ab53b5b6658377d8473665c1990542d00525d20356f44bc9d1a834902671b",
    "signer": "0x49368dB15B9A78dF090195AD4338818bfA70C88A",
    "userId": "381576190"
  }
}