{
  "manageEntity": {
    "action": "Repost",
    "entityId": "770901",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd0fd31b008e8c2d5e091c5ab3dd4ffd90abcc6a1be7bc1b3961ee3f3caa2d47b",
    "signature": "0xe1f266126c9a3c83f0478f1ec27c9f130758a5ec69ab682119db99c52f968dd1543cd64fdcf784e7ebb07d674092f755af21d0e772397cf941f09db42e0efc0d1b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}