{
  "manageEntity": {
    "action": "Update",
    "entityId": "880959822",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x358fbe49e8296f1882bb6339760c9f605c62aa4873b13be546208dd3f4339405",
    "signature": "0x7d6563dc4b39a1d2b41cd0b56619f82a20a78c7242f79a2e622435d89787941628fd8346908289faac490522b5f41327b4afed252d18c1f7b99b10760a8efb6a1c",
    "signer": "0xcdC40AFF6A3606D0ec8e4Df721d01C8F35F9CC2D",
    "userId": "880959822"
  }
}