{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "582464754",
    "entityType": "User",
    "nonce": "0x6fdf9844c4b9479b8a2585ba60f59bd20b2af8bc5695d77c3c54e828cd859900",
    "signature": "0x03a39b794edac021ca2965d3cb016e31ac5b894fa789708da66e05df4fd104bd34bfb353d360b78b5335553e36fb31060b57514f96c71220fe1a0caa9b5bd8ec1c",
    "signer": "0x79770FD07793ad1DfB304d64f0605418795fc311",
    "userId": "556468587"
  }
}