{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15128",
    "entityType": "User",
    "nonce": "0x715c355a5b645bdad24760dca35fec971febf6c7c57976a4b7438ec65d71cd43",
    "signature": "0x7e840719b651f866c09341d82ea5c4a030319c6380bf740a2a3d74cd5b3b881b476573d24cf65540f051324039e04f315408be1f6bb07e167589562bdddceb8d1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}