{
  "manageEntity": {
    "action": "Repost",
    "entityId": "571489",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfebb36b63c34aad53a18b942188ff65075022ccf3dfea9d8c35e68824158d0bb",
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    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
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}