{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "940003920",
    "entityType": "User",
    "nonce": "0xa733cd3d60c5a43631ac1f93b64d10abe91b08f2560cbdff28ea73f42b2b3965",
    "signature": "0x1d5db850a4522465f67c3168711f8345425865985cf6d9ee132d740f1fe4f20b7269e2d7be50628f86085260c74df07cb35de21639c18c34e4c8a0519a7f1b761c",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}