{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "418596051",
    "entityType": "User",
    "nonce": "0x08ec4531e82f1fb6fcb9cb6190c40339a1df0af208fa29869e373dd6289e9df6",
    "signature": "0xa38ff0a3daca863c240701daeac06f36084ecfe43fc28171346c44102026508177a89e7638081c3818eabdfb26265234bdf823a20aeb189d20476c50f30a41e51c",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}