{
  "manageEntity": {
    "action": "Update",
    "entityId": "75683930",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xed80bb6194c7cae3340b457a3cea760b3b4f547b36cfe677d2bcd316a3ed6329",
    "signature": "0xf007e57f6234940b1182854e9d1346c4434fc6cd41c00415b458003f3766ced82ee0db9f2cbec258d6057eae5a501ae958d9d99597d7ea2a98f0dcf09d0b47d91b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}