{
  "manageEntity": {
    "action": "Repost",
    "entityId": "448978300",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd9de422dc2111797121dd6e95e133be7c1eae593f7fb0a39f0c3b281fc28299e",
    "signature": "0xe5c626a831ebc6112160ad37f4e004fc5c5b65d4708ff884499b4378368a576f2e1e677cb94469f489d4cd108e2f9f6d18f230ca97d5f0b93799701760bed8951c",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}