{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51154",
    "entityType": "User",
    "nonce": "0x30a5bd94ae1efbf2ceccdbc39da4730b196787432022da10e1fd9b217d5aaed7",
    "signature": "0xbfc78c86152086368d8081844bd44c7c7665c4217df8e68fd277364f1b714d897b1833c05b5fc8b7ae8e637d24f3fccaa5611d1da1949e1aea5bc5e1b90daa9f1b",
    "signer": "0x7C2169544c0568cB3b210f320356B6A77E891F30",
    "userId": "495616082"
  }
}