{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "530886226",
    "entityType": "User",
    "nonce": "0x64245f0b9bb333a3c6e2c3a5cdf15fa2df3c7daf8445e8e5bebba13cdc2aaae7",
    "signature": "0xed241b13032f4ff363a6013d240d9eebc53302e9dfa26c12a05e856e9523f31d686d7d10bf10834b8bb9aab036d1dd72e952c158816a2595977b19a2132543221b",
    "signer": "0x7c2f6C8E39514CA33Af557b55Ae76A43850B28f5",
    "userId": "317425703"
  }
}