{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1900901343",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf62bfce5fd76d6e6214a85dbaf96777994b67a0412d1eff858011791ec3510ce",
    "signature": "0x48c093e2329a866c4d554805e406407b4eef453f3c2b34dce0b3cec959c1c5dd3748b90b781abf9c1888c88fed9df114d4161ff67d70d40d12f2ba9f1e6ec4981c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}