{
  "manageEntity": {
    "action": "Repost",
    "entityId": "555880",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4d371f4ea61ee3061b98febe25fa36654887df0502f701dd913b881638d424cb",
    "signature": "0x924170bdea3894b5e6102e7d7f1d0714d64539935037ffc8d264342a5fb66905419fa4452e514fb36a103b39bf74dae9c99bf445c12c0f1850586e0fb52f9c2d1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}