{
  "manageEntity": {
    "action": "Update",
    "entityId": "218692613",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraxa2gks3abtcw4ys2nuro2msnpmjggvqxwwlurhvbmnm5klyhj3wq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1744553256},{\"type\":\"playlist\",\"playlist_id\":329385357},{\"type\":\"playlist\",\"playlist_id\":645829250},{\"type\":\"playlist\",\"playlist_id\":2117324992}]}}}",
    "nonce": "0x5474365a5beb7ce48fd9b0443647c59a0906d78130956327abad02166eae21c7",
    "signature": "0x8257da71719a84548cd206806ac08bbf71668ac9e1a1e9ecc955b511eed922b01c5d6c6cb675f2d56c67e6e3e50c9a55dfdef557efe11cff32e26730813acd441c",
    "signer": "0x6CDDC7B674Dd0fbE8fB2850B79b97aA2A37Aa071",
    "userId": "218692613"
  }
}