{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "343431",
    "entityType": "User",
    "nonce": "0x6dfdf5a2e0015775f5b0758b86ca6f43066f11121e2da547c98465995483b355",
    "signature": "0x6508f51b238064b4e2f452eb78f5de8bfc9df66581434a29c2003e338163ae7941352d3b9111dd93711db92b9ea30e8254dc03932a7f29fb381432354a723aa31b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}