{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0ac5ee17a434e6e9960082c5b0e5be742a597216abbe8305a5f4f89321082713",
    "signature": "0xe76b6d7aadd43b30d699f691b88d8b3c00e917e97613c6d465106d6689bce1dc5da02af09c9e3167a45cfa0f3e991412837fd1773c4afbb57fbf360e6d732bb11c",
    "signer": "0x1DEB003D7F8D9499f34Aa8a2a66f7b39417cf6CE",
    "userId": "153877824"
  }
}