{
  "manageEntity": {
    "action": "Save",
    "entityId": "114524",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4aceaa8a0af1a8659617574ebfe6f3866dadb00d74662094cc422ad236f45048",
    "signature": "0xfba44e3c42fdc99af9f67904f7bee5c2233eda0b318505a0f92b4509c93b22063cf266a5c128263bf543aa1d2616e1497699a986d86368c5ce9b8869ec737a161b",
    "signer": "0xcBbe302FaAE894096eF1E77b8E7af9d71d963ee6",
    "userId": "776784199"
  }
}