{
  "manageEntity": {
    "action": "Update",
    "entityId": "112550482",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc562392e26958f593bd78a15b9c462cf574c1d53636d673c79c052aec8a7ae7d",
    "signature": "0x25ad6e54c572b6c6d125a90bd21a192464334765356b92506bd2f9a3766a279244ec147b35f9a0d4c5033f02dcab2196e3c942fe21a8ef1aa8f07d0f5bd6dfb91c",
    "signer": "0x6f6aA6cc738Bd5A8d1620d7B0fc7D852Dc12CdA4",
    "userId": "112550482"
  }
}