{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104457",
    "entityType": "User",
    "nonce": "0x628c6285421d2f6cfb2c6f2ad202ef3fe43d3c9f623359c1ab165d89a1b39b50",
    "signature": "0xe4856bcea6d1e83a90d7851f73133e20d4c756e15a8ef9f7cca96a65998938221c7d512b0ba2a9cbb05dbe84641d99ce107138170e4ca20c0ab6a41c1ed6b95e1c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}