{
  "manageEntity": {
    "action": "Update",
    "entityId": "40456963",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb117cee72a77395f62a265f525e51820d42ed50cd158514e90c56d07ab650ccc",
    "signature": "0x85258a8a8048287744d4f26a69e9b5e964489470b8da5e4bfc28017291aa9dc36c50b9b04c2c6846ee78872cb423b04df3902a653bab90619afe8436cedd3ac11b",
    "signer": "0xc03B0DC91D4dd69BB843F957bAe8D3B7aA1317EB",
    "userId": "40456963"
  }
}