{
  "manageEntity": {
    "action": "Update",
    "entityId": "403143170",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera26i7y53p6jyrgt574pl4djefjhkmu7izoxxm34npcutzlfcp2yxa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1840018449}]}}}",
    "nonce": "0xeb5706a9d41f6405b78e09c503069ce6e9cb0897978d15e2561de25975c533e3",
    "signature": "0xec0fac4e8aa73f50e7770385d921f9e6610720ec2e581652b1d61c47381265f21f7f70fce244e9420a3bc44c2b1b72a8aaf144b829108ba4ed11e69e6be0dfb01b",
    "signer": "0xC5B69C98527aE6b678Ec88a38965FE0B06165327",
    "userId": "403143170"
  }
}