{
  "manageEntity": {
    "action": "Repost",
    "entityId": "643953",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x58f41e5ceb41293b6f5549eac27b675f24a21ca22668feb7cdd9d4ed25a73dd0",
    "signature": "0x5e6143fc9957c01e61d9bf5e80ad58e104f8b72f0b4d3c15c27cbfd5a30afe9e7840014aee5b2beaab35c62e3239c7c15ca28d38fa0110c4a74e0a0e030885b81c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}