{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107190",
    "entityType": "User",
    "nonce": "0x4d9e09fbf0d342171d8cbb6541099166e8d340ae92e69e379d3c79fe6bd24284",
    "signature": "0x6e50af948bd699e6b33625e864dc3c03703e7ddb1c5e227ec6c1df68ac432f8b17ddaa605cd8b363e254aa811d5632d9cfbb649adca8002668d45682d236441f1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}