{
  "manageEntity": {
    "action": "Update",
    "entityId": "362766655",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraikcqgslnkbqz3r7q5elqdblkdragj67omb2atr7yydxydkt5d6bq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1643141633},{\"type\":\"playlist\",\"playlist_id\":1547371974}]}}}",
    "nonce": "0xd55fe6281099e5e89b0b8170ce3b8fcb80b90008d4197259c132550ff156dccb",
    "signature": "0x81c06baf55fd779df8ac6c3f79f28641bc69f29d6c72fe9b1b674800e711ee2e6f553b4546d69e1edf92bdbc8cd0bf3c2b1923da75bc26077c39f9bc6dbd1be61c",
    "signer": "0x942718Ab5Bbd4d3d72d5017F886E3ac4Ef2b927e",
    "userId": "362766655"
  }
}