{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xae1261e43e8641ea6e2e61815e7e6f4d975e1bb8095b3bbe6cd0ff1ed031a616",
    "signature": "0xa04b8a8609d3f1f66496831ed1cfd9e575a037dfbf7279d26b43c42f1e33f952245ebb324c2ca7668c10cdbeb369c214efde8751968fba5aef28cfa8a07e78e51c",
    "signer": "0x93025ab8c947F7a981F643D15C3dD09A2773Ec5E",
    "userId": "84500775"
  }
}