{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984172272",
    "entityType": "User",
    "nonce": "0x5cb9c3f3cdb0cb91551cdda451907f760413489a91e7e39a662fe235d498d9b7",
    "signature": "0xe8ac3e7f1249a6150063750115b02c8a6d589ee102fade72ebc7d81dec66029074cc4dc2968b4e2e2af60fd5c791b806e9bd342683d8bffe2abbcd5eefba8a9f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}