{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994775306",
    "entityType": "User",
    "nonce": "0x00546fc56b5c74cd8214c7088c6ceb907968b32cd9cc34e9bb741108058cdfa8",
    "signature": "0x66fea6606d3a312f558ecc742ddf394c8429546db4af5742d852b6b9f8d0421e17e69eed96d880da30272302f2f301b88371e078db9044ee09dffe7954ca461b1b",
    "signer": "0x1ABf6DD41fe1E6b1C2d3A69859a25C92caa31b32",
    "userId": "17689"
  }
}