{
  "manageEntity": {
    "action": "Repost",
    "entityId": "301686778",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4b389ed9410c96ea4a06792495cb38732bead77b15a70f499d481589a46ffa2d",
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    "signer": "0xC59f7055B078B1Ee57c271E19BE5Dd7033FD64f5",
    "userId": "950751701"
  }
}