{
  "manageEntity": {
    "action": "Repost",
    "entityId": "509338378",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd980e6ac7d2a6dfafda3d66c71d030dcce40c58d86bd8315560bd8f8198253fe",
    "signature": "0x3184fb4f3157260d76cd92efd20a7fb1952b33dcc56ed343c77ad4464eb159684e1e7087f0642676e1d152801f4919f8a33c87d08be859ae0f5ae2d2a21c7eaa1c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}