{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "154377962",
    "entityType": "User",
    "nonce": "0x9b3be12f308235f175c469fdf0ae16987453c361cb44e814470af57b7e18d72b",
    "signature": "0xbcd7e65d9892a8bceb47248b218c6c62fb2be6d42ce70d615f2f8bd5ce0e0287396b375cd6f9917335609a7224dc0b24babfc45052fd9c34f7b6b28a554f763c1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}