{
  "manageEntity": {
    "action": "Repost",
    "entityId": "752975",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xeb0f846bfa98dcad13e59539b898ceedc754554d1cbcaf73a70c094bbaf35297",
    "signature": "0xd7352d063c17fad0f9ec18269d6ee9573f0eba4bdd22dd63bb909a8246c5570c02a33cf422d7742ef7a37738f972d4110739f4051fc0b5ba7636e37cbd6f74fd1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}