{
  "manageEntity": {
    "action": "Update",
    "entityId": "544460047",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9de5078102af3c24bc62ac8a9e824de38043348e21122dc548e5822ae8f5f036",
    "signature": "0xd5fc37714c7c6fd33be4bc8e161f50ea95fa7f66bc419cd1e56d1d4bef444abf1155a350761a5a7b267d2aa1c660cb931c590d05f4f6128d0595e905580052ba1c",
    "signer": "0xaa30036cA70a35e92eD983dba4e290a2220Eb8da",
    "userId": "544460047"
  }
}