{
  "manageEntity": {
    "action": "Update",
    "entityId": "63913739",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x10c611b95fd471a9b47d0ab00013806f05f3d5686a2f0992f697b490aa450d9b",
    "signature": "0xff38bdd0d46b4299e1323939d764c38d2a36a4e7b8927246150426145cbf3ddb3544b6d73ddeb61d969b4c9239b48833e02fbc6982baeff6a2c87538f141c5bf1b",
    "signer": "0x0bD40F3b618d9Bdc603481CCF92f6C73f69D7B50",
    "userId": "63913739"
  }
}