{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943474958",
    "entityType": "User",
    "nonce": "0xbdb0cb1d02190e5774ecab348b7f7e405dfbce4d80aaab89392ced87852e77fe",
    "signature": "0x20a7f26bcc1755f76ce7063b5a7515ea56d4732f1eb014ee6ce96146218b49cc6fe7e69b17904430d6f9382c4db57f3192248def8759122ae1833df34a746cbe1b",
    "signer": "0x11cd379D12F9a2c7BAaE2f74F1914A8c50faF2c3",
    "userId": "387949683"
  }
}