{
  "manageEntity": {
    "action": "Update",
    "entityId": "406866433",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x298782a8dba9001f17df8c484a43b2a65a5b960e14ddfb60c06382af312cd46a",
    "signature": "0xd248497727be8aef4c4b3a1f2b4bbbee1e86bbaea4fdd64170b7e29b06e7c58d0b31dd61e07405bf4c460bb424dac5a0accafc1e883d2a8810a4b4aa1f84c33d1b",
    "signer": "0xA49Ea05Fb50d75D15fFDC8Fd7e1567FAa66E8b3c",
    "userId": "406866433"
  }
}