{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "406225571",
    "entityType": "User",
    "nonce": "0x1e47594e2c7fadf5faef4a3efc04b2fcc75043d8d0d5728dace5e00b826a5053",
    "signature": "0x39112e7efb68beac8d302ba52405d23725310153132fbc4c2e8e53cc31a851145669406532f1d13709d4f7d5d337cb318b9318e8ec154b8895a50a17b0bd280a1c",
    "signer": "0x5C13CD392EcB86FaceF8A07FC5B300833E86cD23",
    "userId": "167249"
  }
}