{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1399422722",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x259d9023e2b5382fa83979429bc8b977b466734523fb0a464e87467e21a07f97",
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    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
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}