{
  "manageEntity": {
    "action": "Repost",
    "entityId": "449940",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x97c4b386bf2e5318f9024061ce44f40ce5e0be2680a836eafb5affc4d715cfdc",
    "signature": "0x6594800c169d2ead981e72d1ce892b1384f2a918013073f8db3c671249d86a8d5a384098810e7c82cf357151e89be682797f61530009ee1cf4891a02055ebe921c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}