{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0x27031de0018a175adc8f02ce103ae871fc7b425e894f0e37226bd65d6f018f97",
    "signature": "0x03014e2e7bf84e94eba989721f9bac0e4751faf372e70e18579f325a1c1d0e3850bc5a855b964502b796ed8c67ee386d36f002c6661c91177d373f2d059b439e1c",
    "signer": "0x12302E88Cf971407d5bdd167b1AA2664556D3385",
    "userId": "68176371"
  }
}