{
  "manageEntity": {
    "action": "Update",
    "entityId": "141325799",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x543d8758343e457eabc645793eecc7ad34666b60a55f232960d3dd0f0b64391d",
    "signature": "0xb78581546beeb5255b891c1f569182cdcec181c669625940c5313e01de08c8fc1da29916af38234e2aeab1bff3f39a43bfcfad3dfc89841cb5ee610da5f531c81b",
    "signer": "0x32c5e7716a3F76737C1EDC9f1f1Df3249364d78c",
    "userId": "141325799"
  }
}