{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa0eeb835899397c36c79158d633e15e5153c9273814063eddb43da38548d2db4",
    "signature": "0x4e666e5a4b62fd9949b86716ea65cb1e6e93fd4d26b5b7aa154e40b43646597409b91b62892233b3a5b88c24a5415a40862b93b62622f17f6f4f8e4922849bae1b",
    "signer": "0x9d5d1f1a59bB255396F7F1e7DeB307A4F66f15ec",
    "userId": "429311703"
  }
}