{
  "manageEntity": {
    "action": "Repost",
    "entityId": "578053711",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa9ac8cb77b5eb4a23694f46054cbd71c1821aa198e43590f10eeff9a61b97b27",
    "signature": "0x4366c9af1858e4a7623eb14d1492c6cf6fe6690a85d45c01ddff92f17de073af0452094193f3eae665b0bc7362ea57d373a0c0f298d6ec80b61054a64cfcb7561c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}