{
  "manageEntity": {
    "action": "Update",
    "entityId": "650710289",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierazi7t6gs7yq34kt4htovesw63shxopntf77wlwnokp3hojxjc7jda\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1636386538},{\"type\":\"playlist\",\"playlist_id\":1514192617}]}}}",
    "nonce": "0x865277a234a6b0a6ba6bf9f36a6d24c31e1ea9714b884a92f8030f1722d2a1c2",
    "signature": "0x3eb71425704ae42a9ab4ea0efceb71a0950f583d1c25613e153cac17ffc26f833a8c461a6bb5420e6e2deb8bb56182020d4e5cb4cb467d25479a2c62ad37d0101c",
    "signer": "0xA76bb874Ea465ed9b8201008c0Dab4F17b244752",
    "userId": "650710289"
  }
}