{
  "manageEntity": {
    "action": "Update",
    "entityId": "707945177",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xeca76fef937edaa70fac45e01c04774a9aee4a73fc2ce74cb04494a9e41184c4",
    "signature": "0x9670d60aca488b69a32d56930685592b111cbb811053c2f449d7ca4a82542bb91591df9dbf67f16a1ae4b8eef5f80d26f480c9bc57f09c26f533da14ab550e441c",
    "signer": "0x1d213Bf7d1685E6C9e8589d81f7Fe642877f8EA4",
    "userId": "707945177"
  }
}