{
  "manageEntity": {
    "action": "Update",
    "entityId": "154085595",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe4b83e1f4542dda4682b7b9918df587854c332c41bc0b747ba6c02ce86f94940",
    "signature": "0x34b47fd92c99eca5ae527fb8cbcf8c67e12ef313d11040e873bc8248b59d7b2e4f1e2148a8fc7902ff7c5f065e12be87b2edaa46aa7080d8e57b548d4fcb75c61c",
    "signer": "0x5b8BFea922d3E94c01D9b58040d1Cb4E8BE244EF",
    "userId": "154085595"
  }
}