{
  "manageEntity": {
    "action": "Repost",
    "entityId": "990169799",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd55c295be8b47b6c2e9582a108f71b0576939b93814bd723785f67fcc790a219",
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    "signer": "0x28945B345Dc8334c21B4e932dA506ca6Fac7e18a",
    "userId": "290283513"
  }
}