{
  "manageEntity": {
    "action": "Update",
    "entityId": "330630035",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe6a47d3f5211760a5dde6c277a1ae2c240fb4083766b90ca4d292de54d226409",
    "signature": "0xc60fbaad4087485976e575ff17c59577d37d96537604714323ebc0d0e49fbb9e4c7a64deebde95d925feeb5df351a4daa49744285b11810e780bcf3ff898bc541b",
    "signer": "0x3c5dB67316c34133681d021a8B3a38C2E255e156",
    "userId": "330630035"
  }
}