{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1378294789",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd9cbc6351428326bc1e4ff7d5adbf10b4ee592e11c14072e8dd4fc07795a6e4d",
    "signature": "0x53adfd04ddda12313f373b0ad896ba393a75a91c4943b971d83aa4a2a5a97e1b215f0c6f5d29714004d41053a66d8bc48d59710ad1b1df53a4a88053b8b7c9d81c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}