{
  "manageEntity": {
    "action": "Update",
    "entityId": "872526962",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfde4e5f083d751df857760899c26853537c328e0a1aa1d458236c5029ce32dd0",
    "signature": "0xa76cc0cec8157a3700ec66eec336e75bb580c64909d7e169ff03b6ad7fbaa24c3c712810a084e424fcc042ecada83a24670774a873bfdca27f1bb8c1410484b91b",
    "signer": "0x1722Bd41fF2807f51cdFd5182D3950D3f52B6090",
    "userId": "872526962"
  }
}