{
  "manageEntity": {
    "action": "Repost",
    "entityId": "858602979",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa0c223af3e4b58e4a8a17fa68570460db3548289b52784d3907cd28b89981fb3",
    "signature": "0xa4cf2ebfdc24f5396e70081bc2d2b557ce838e8cb79c7315b81549b481d3962719b513cd3eea3e67bfda4b06cc36c5b3aaf24a5c18c98d8db254967d6692b5031c",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}