{
  "manageEntity": {
    "action": "Save",
    "entityId": "707495238",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x875b9a7a0947d7247851ec94805d5b937b9e132775c5e8856c89155eed991ebd",
    "signature": "0x6dec411e21c38822ff36f5984679c5bb722ad364eb14a08478dcdd6b47d89b246f354aade49c5ef5e9d0cd35cceec33745c1149ea940e0b5c267af5f60fc5a091b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}