{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545522",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x39d320171d963b310339ff4ba7cfb587ca9f65a5dc8c50fe5b590de07287744d",
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    "signer": "0xD9254B079e0e1571E56512C57188F2eec899054f",
    "userId": "854498636"
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}