{
  "manageEntity": {
    "action": "Repost",
    "entityId": "374528",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc75ac033c0a65b43b7fe2c9f2ddb50b0ba75476bf38105ceee40247c1c407e94",
    "signature": "0x504dadb6836eca8d11d1e6217520ebbdbcc598bc81a3cbc137273cc2139ed4421174988cee9c64585d57e48c2ae96de855c46135e97ad37af134e44605fdc5f01b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}