{
  "manageEntity": {
    "action": "Update",
    "entityId": "36738513",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5688ba682c81322df2c34edf21ecbf4c2555eeca6fea25cec8ecb72a9c3ab90c",
    "signature": "0x77a82a4833092900f63f5146ec9ca314025c39a3e2bee18ca6938e846062d86d0e3fff4159a4d1bc6d8d0cb4e9ce999380ddf20ea5aaee29c56452c419625c081b",
    "signer": "0x93089007EeAD51Bd6cddF8C65321BAEb9460295B",
    "userId": "36738513"
  }
}