{
  "manageEntity": {
    "action": "Repost",
    "entityId": "645145691",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x72b8c1baf6b3c23ce3ac57f024ce1de9dda23b34acc1450bd83e8dcfc55cc2dd",
    "signature": "0x8496783cd28f835380ff99cc3c4131de258c146ea6bc4bb01e8a0aa185bd04b1730f226cdefd31b4227aab7a6c7b617725f8e5c45b6d3fd4ac1763b6fdcbcaea1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}