{
  "manageEntity": {
    "action": "Update",
    "entityId": "361508277",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5bf0632057d401e48f0565a61fdd4fd4cb807f4a6e458d9830c541d99973dcde",
    "signature": "0x13651724d3e659163536bc972d9c346325161de1e5375436cb2ec6613778bd0d1d611c193d60047af762cc382463052702bd48a4372828df9855f18621e863181c",
    "signer": "0x31bD11C427B52Db08B5145212FD90Ac4d00A1F8f",
    "userId": "361508277"
  }
}