{
  "manageEntity": {
    "action": "Repost",
    "entityId": "398663",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4af51fbad68c36e52a68b5a97ce66399d192434852e644154479031d4af976b9",
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    "signer": "0x06F989586c5477333A41f6057f224Df79903862a",
    "userId": "24240642"
  }
}