{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13589021",
    "entityType": "User",
    "nonce": "0xac9d4afe86fcb9c2628327c063dad99927beae74911b327b89e912366ee94519",
    "signature": "0x56e1441a939d59ca5a46b9717da9e12b7120f622eba745ef170ea887bc58c7b073b8ac3de88b37ceb45589055c0afdfdcfd5fd0f327903431b8eb192d5df86b61c",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}