{
  "manageEntity": {
    "action": "Repost",
    "entityId": "558309770",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x35ffbe1874e8a785267638fc389c73f7252ae168862cd344544ff14fc97a2dc4",
    "signature": "0x22f89b975ef34eb565f8ae174b8a684e19d93e7f6e38291d4dbab876201f22412d0984e4124d216004fe6f861c4dca6e4741a3b413f3e77f1c41d754a0a9b04e1c",
    "signer": "0x48997477d821e30d3Fa835d1Ee7809B3253Cb100",
    "userId": "75085"
  }
}