{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53860",
    "entityType": "User",
    "nonce": "0xe7620131d342549987fcc0179ca351e0d6a73ea6d46a7849dd3db8bede394761",
    "signature": "0xaf178bfb964e7b379f17514593aa69ea3ebce8afaedc3c2240ccb055c85c609f05568671078e15af8797ce43491284610e17888c1579490e5f66c202078b65381c",
    "signer": "0xD24F8A2501472e4c9FD5dfCCDF80B550912c7FB0",
    "userId": "887242445"
  }
}