{
  "manageEntity": {
    "action": "Update",
    "entityId": "788132806",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x98b54cf17558c9548b50d0933edc1381698e0dee45c02bb30da9c839f8e6cd72",
    "signature": "0x8b2d50fe5c7cc9757dd359ef4af0520c338b646ba28094d940a73b4922b945f40a859d1fbe35e97d1a7eb0dfa29e3094416ccc0347d8ae0f00037f73d719964f1c",
    "signer": "0x214e2bE117D01A083551c7772c904EcE2AE28179",
    "userId": "788132806"
  }
}