{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17152",
    "entityType": "User",
    "nonce": "0x782499614b27156c7ba7a0c36483ba70c219aae7c46774bc71da0079c5f7abb4",
    "signature": "0x18c48f1ee9e7d6a934a81764e37c597e53fdc9cb2d18e7ea4d5b570e1bd5cd527ed61a06ee489e68cd549cef67c05303695ccace7ae5b496081c9db6560b581c1c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}