{
  "manageEntity": {
    "action": "Repost",
    "entityId": "729625",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe9e8de17ad0f907d619186bcfa2bd974b22ccfd30e3194899fcb0409c7ee7dad",
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    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
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}