{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126728",
    "entityType": "User",
    "nonce": "0xc871108f23e9b274d42f0f5e36dc9b5593c2db49c61afb1ffa690f683ff65080",
    "signature": "0xbe2869b9ccdce6c9f63be51aab13912c1a1bf18abbff07372c99ea7d27f75ddb65cac2aa513e657ad26ceea52b79a9b39275cfcc8cbc6d430545d55ff15107611c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}