{
  "manageEntity": {
    "action": "Update",
    "entityId": "651161254",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3a1a1a342664261212fb83fdeb469ec4f2798a395652b4f4356d4498bdae18ae",
    "signature": "0x2c72da39313f3b7957d8932c3bf9f4e4deff9165009189ec0edc775979ba46aa6976df135305150aa5a49aa0d40d483865b4815d3e630359af5988d97fdfc8a91c",
    "signer": "0x44e864500711132ceC12e93EC3867ddfcaD2F5dF",
    "userId": "651161254"
  }
}