{
  "manageEntity": {
    "action": "Repost",
    "entityId": "646575832",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3fcdf263a81270ff56197f48f990c0be4689acecc5cc1e9af93db37fc04d4f1b",
    "signature": "0xc00de5428c29a85bb44312cfe80a74c398e2fc1f441845640cdb67806bda899e4b9ff87179fbcc024bce3c9c9e84a873447bef641756142cdda1d33fd07423cd1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}