{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0316761f6160caa5a4e8a9d19966fcec9c348a09ef16f7c2ddd05332f740414f",
    "signature": "0x3932937dc664ff37bc386de996529033e94e79a30d23e15eca90c7f9334465e427dbf1e01bfc95823679c57a914f88c7ae82a404face56f4eef3bfd5d7679ad31b",
    "signer": "0xBe56fD975f5b39937b99132F891eA5eC7eDBABA5",
    "userId": "40965170"
  }
}