{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57942",
    "entityType": "User",
    "nonce": "0x45d67bf767f939b41b41000a3cf449402946a4cf0934c8966243ec5a3885327b",
    "signature": "0x0bc2ef17ea41f24410cd07e0917a9f210eb21f4be74321abd5f3f8165dea8c3d09e6e56c6e870f86ee8046701e9d6f8697804e2adb9ca4709ef08e4793fc22c21c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}