{
  "manageEntity": {
    "action": "Repost",
    "entityId": "321537778",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe4487757767ce1fe8a75f793db5e996fb0e0aaef973dcdc22e6fede61cb07c6e",
    "signature": "0xcf07e9fb43852ca8b7a059e3bb1963256ed5b33c97c1ccf15a3ac16a1a7c0ef71e23ea6705a8250f3fd940ebd7c1d2854a61d5502d8f65a5b3572b61d166a3881b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}