{
  "manageEntity": {
    "action": "Update",
    "entityId": "736503935",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x46d95b6c237c9940c1f944fdf06f50f798c797b691569da8a0d2c9cae5203c78",
    "signature": "0xf6e9aa01cc955b87f1fafb7ad23f39eeed2e8eef332f7d4ba3ae7ac5652e1d851d99992beca58e22747515baef68b0e78421138c6f5136846c5680ddf311bfe41b",
    "signer": "0x9a5ed0b3F555Cb77D9B73d00AF43BaA4F88b1487",
    "userId": "736503935"
  }
}