{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1499549067",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdd372e6fd32581dfbd9b4e7708a444942ff73d20afa9a4445232136b6c543bdc",
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    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}