{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11955",
    "entityType": "User",
    "nonce": "0xa4923130141150dfa6e1cb3aa4a7f492293309b774cc6b496c0f454d29558260",
    "signature": "0x40e724a519e18a2076b6efdd0a860e7ad02eb7314e03f0648fb7603a3f0face94863945b64dbd54ce4bba3fd0113d9d7f7e1f725cde6e0951dff128211d6033a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}