{
  "manageEntity": {
    "action": "Update",
    "entityId": "805481121",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7ae1488daf91e34e25fd637e13d93e2afa800cf411641f628936c5d1a38770a4",
    "signature": "0xa43af23ef4af5c8913e179b04cdc442c11dbcd480281a8696af0ccfdf99f5f9d228ff6cec28c64f584c198acde322354ee961d9076a1c71b91850780ad66cf791c",
    "signer": "0xF2413dD63E784AC3799E04F907188c439E2669c8",
    "userId": "805481121"
  }
}