{
  "manageEntity": {
    "action": "Repost",
    "entityId": "435890",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0410a288cfc135e10b13c743d20887152d07c77e54ed0293cfd6f582e5a0642a",
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    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}