{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0xa41f529cc1b7791b0841d6c12e9cee11d3cbe356e1e141a03618ac1071485b82",
    "signature": "0x8180783eb4f2599eea7731ece30a43fd3fad0de2d7c77925849bb12cff45239156918b24f671c98c50b3afd4b0ee01aa1581287fa5f4bf67f233d502d86ce7ae1b",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}