{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x01784bccef2b4ecc2a681c42c7b41a26d8df6f231584e3e9b8f29ab1044dc31b",
    "signature": "0x72ed6a6126b53499619792f74987f87f5bca721e036cbb21c3ae71ce333fe8d32553260917862e13ecfb86ce3f29afe1835bdc5b24c901e5ea9d63aaf4572e9a1c",
    "signer": "0x7a252808bd60a26fe5184c95eb104CfADdA8D4C1",
    "userId": "186415718"
  }
}