{
  "manageEntity": {
    "action": "Repost",
    "entityId": "616586395",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdc596b49438947c8dc3e587631038b038c49a19bdddc6349f868123dbf1bdf08",
    "signature": "0xb782fbaad3097b0e02b0190cbe17b7583bd9b11fe26067273a03d69f9c52285052c6c8256e58d7ededcdc99a401b72896412383afd842d7c47b4820de55519591b",
    "signer": "0xeF548ec229db5D9d4d114db8e67E23F3D6e7DEe1",
    "userId": "678365364"
  }
}