{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2224",
    "entityType": "User",
    "nonce": "0x5889f3c06b7ad4c710452a650330761fafcae7b732b78c7384383a3df08469c0",
    "signature": "0x7895a35251ca3371c372c22b5f3770af5539e17af8c8f68c05ab8d1f6b77a49a1d10d0626b9314f04d3af2bf74837dafb1c9bd41b44955a214f8f549468d6cbb1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}