{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "392032",
    "entityType": "User",
    "nonce": "0xab8a567399f981a062f3781b7b99ca072f72a1ed8f4cf2a41d0500d865aad512",
    "signature": "0xab07343fb577e0770bb3724e9262f076a758868327f7dcc04df2d5e66249f85154547cd07bc56ee912aa4af54c7875b826b78b65dcb0f83f549fc926af13c6411b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}