{
  "manageEntity": {
    "action": "Update",
    "entityId": "933918061",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x890c21100bece4ea28c9ada007cabd1a0b31ba4741a3bc2e29b6698eea85d745",
    "signature": "0xc66483d69dc73d3bb17144e55c4c6bcfaec5b67ba72daed1a2bb955bbb0121be0a7b6798081a02e4c7c90fc9426889e99bbf1f298eb6d5e43e50201b1b3b48f11c",
    "signer": "0xe4920563a44aCfD361D693eF2e725E42bBADF928",
    "userId": "933918061"
  }
}