{
  "manageEntity": {
    "action": "Repost",
    "entityId": "540905874",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4756bc63577208ae9b96f3182f6c6d00c42ce4b55227f22e3b4477364e0ffdbf",
    "signature": "0xc507c1c064b23ec6b214719ca3c61ff7870bc35e163a5ca67c69e37f618b7f4e6a7431133f31b916df2bcb3aad43d7a460a046bc337cddea43593d4c4cfb832e1c",
    "signer": "0x48c57b64a5a12Dc7C7742Fdb629EEce52FF5591D",
    "userId": "930634116"
  }
}