{
  "manageEntity": {
    "action": "Update",
    "entityId": "63175258",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb812f6845c77d411b9cc0065bb806c6be2f824d55b05538a17facb5d2cc9a681",
    "signature": "0x31257dd9125a19e5768d7e8d2d1ff07afa6f7e3d7d109365721b3b9dbdd892e07685c510ef9ba25723bdf6bd868ac82ef7abd711ee93311746c9558b0953834e1b",
    "signer": "0x94ED5751F64981fDd35c3f6F061067c03B95D72F",
    "userId": "63175258"
  }
}