{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x49ccd56defddba3a53c7819afb463abcdb429b67f1c7454529ee7adc058f5316",
    "signature": "0x9ac8fd6bb0ef876470b974827320cf28de0b9a963e0ebb5c11a556679bd8a25e5da491d46097118fd6bbb28b87ef4710f6bbaa263bdc1a750ec855ee4cf794a51b",
    "signer": "0xCb24cED7abEdF7d037dcb413D15c3B2f7aCFF92A",
    "userId": "253020125"
  }
}