{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294",
    "entityType": "User",
    "nonce": "0xa0952337fd0ca0f69e18609dfe1a9a535bb179f85e7e2cd7e1ad3b4b21a4feda",
    "signature": "0x53de41b594d0c7f1c808e09fc2b586a71f97ec871b33ad2d4b19faf81237701078f2f5fe3bb084b76ac20d81d5456ca0555341016f822f5f0c74d087ada292131c",
    "signer": "0x7a252808bd60a26fe5184c95eb104CfADdA8D4C1",
    "userId": "186415718"
  }
}