{
  "manageEntity": {
    "action": "Update",
    "entityId": "350926246",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera73gokkpbl24zbldtlurh5wkhvr6aua5tgh6oveefi6p2f4hgnucq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":323440843},{\"type\":\"playlist\",\"playlist_id\":643862152}]}}}",
    "nonce": "0xeac636c55504102ed09626131cc0b2d5f547de6b5a3510cddd4fcac13222b8a0",
    "signature": "0x1102c7259b89340aa77492f2afd38f6d6bf138403dd7130b514c59e97333358c49a84f1d1843d26699b2edb421bbca0c974ea4d2ea976ad1218e4dffdb81ecde1c",
    "signer": "0x956362Be3Eafa2C07Ef5Dcf41cf05B9ac86E0d4E",
    "userId": "350926246"
  }
}