{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "935959282",
    "entityType": "User",
    "nonce": "0x9ffc9537a1b3df22ca44dbc73852559d7f7a275ddecea839418d4c8146118018",
    "signature": "0x4d122dfc5008c75137997076cf3d3940199404712529fb04936ee0fe3f8d080518f93b1816ab9969e86d5e15b9ed1b248b6ca4691bf92c992c541d7a6571b42f1c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}