{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121321",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf2b19106234beae15f34f8a8ae59b4f3864285d006929248c44918417c1a1122",
    "signature": "0x85acc4115cb487480101eb7cf56e162943968d1a54aad6abbf4200e79b591a12446e453387ab566ff211865728c54817c9b86adcbd05a240ca4dc81494583beb1c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}