{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x72285fd8736214db804579dba69a490a8bf34a80e1d55bff17e6f3b8c7230f74",
    "signature": "0x0fa37336edc503515b298691289480d023ef8a8f08b10b31fa2d2c6dcaa2034341c63e0d919b6d7989957d786100b3d4e489ca95e098addc806ae00dd78a446b1c",
    "signer": "0x0c1d536a8e25d462f7b228e2c1AF7bE925bD76C7",
    "userId": "175367139"
  }
}