{
  "manageEntity": {
    "action": "Repost",
    "entityId": "573227133",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x53440b5d32d47e04123cc21b53292a378aa1e2ec9f0ec9d5a80a6965e4cad73b",
    "signature": "0xd5aeccde41dacbd9d2d45c89d4137974e6450adff377e144d236865c5444872164a116ad5bfc90196d1da0b8f3eaefa1d0760f36ccff8bacdb6bbb2c9b0834ef1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}