{
  "manageEntity": {
    "action": "Save",
    "entityId": "32958",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x95cb13ce98db0b158fc88254cdfa6a1353d8856d3b180cca681488a787bdd5e8",
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    "signer": "0x0b901AE3Eb7b439095858D82Ff194CfeD0Fd3396",
    "userId": "167557"
  }
}