{
  "manageEntity": {
    "action": "Update",
    "entityId": "362766655",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera5l2gjd3zz6n3g7rwqsnnxwhtxrbj62ftaljhoru2275qhnqms3va\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1643141633},{\"type\":\"playlist\",\"playlist_id\":1547371974},{\"type\":\"playlist\",\"playlist_id\":574267277}]}}}",
    "nonce": "0xf8e1e563e42cb413adeff556dac099c986d72a0343e2f136437e848bb0dcbabc",
    "signature": "0xae150f92b101522f45ff29aad1fb948a0cc12b4e546dea34fff4f1aa1c73db715b3d6d222eb0016ce5e0d9ca104052f56fc6e4f4d6551f0448bb7d30d53780cd1c",
    "signer": "0x942718Ab5Bbd4d3d72d5017F886E3ac4Ef2b927e",
    "userId": "362766655"
  }
}