{
  "manageEntity": {
    "action": "Update",
    "entityId": "609283059",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x21272fd40b40c934b3a27dc19c27c5ec2f87aaf9ab06a347e94a67d1ab3e1aae",
    "signature": "0xb8df7582ff86f990e2a0427059a72af34c4f22786c746f569c8a340a9e30e18951d6900d062b30fe38361eb6b3eeefc558e25c1e2206dd33a20a405bc1a9edd21c",
    "signer": "0x0CA27f4e268E32bAb356111D4E4ED73285aa034f",
    "userId": "609283059"
  }
}