{
  "manageEntity": {
    "action": "Update",
    "entityId": "919180073",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfe040d547751d5e0c307d4b26dfa59f9fef5271a7b5badefa92591eb8cfbfa88",
    "signature": "0xc2708cf6b5ff762a1f1d81ee42ce7074929027c827adf64c7fba056f5d0ed6a7053e7ffb218cdb33259ce9de448ae2af4932b1515c042d4aad1bd170e3284a021b",
    "signer": "0xccE1EbC88271bbe505a2F19CC02a4D2Cd91b00a5",
    "userId": "919180073"
  }
}