{
  "manageEntity": {
    "action": "Save",
    "entityId": "80061",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x04bc5fe5fdabd0f2d4f24d92d60fb8ea86f9e8bf9e42d2e68ae6cd02fba5ceaa",
    "signature": "0x4a951ae7dfa137c04e3b65f530953c683d11c931f324c6eb09bb5564fe9d88ed47ba391782e26afbe2218c48df1dd29a3b8c305f95204b07b72a7c2353ca90d51c",
    "signer": "0x7Dc5480547abF67B7926d1c24AaB5d7BE7e0c965",
    "userId": "727950503"
  }
}