{
  "manageEntity": {
    "action": "Update",
    "entityId": "349241104",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfb0c2b660536a7769934dd391fa038d6c088ca6ad158a7639a61626df262f654",
    "signature": "0x8aed65b12c1e3cf7dd6b4ecf0b04fa4d46b76b639b44609139a9ecfd66f479370ad1f1cd8c8336becd18b4b9f054acc78023258f533351f3dfa2a07d473c313d1c",
    "signer": "0x10eFA6B04fF878294AF9bbe86EAdE4E869eA5829",
    "userId": "349241104"
  }
}