{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1489905503",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe2959da51c92535ccf676333fa400ed0f667df0f9903c53e557bc067e14c96ed",
    "signature": "0xb7235daef3e92e465e4063b7a8ac8b11051c6e5e12e77a53eada11dc37fe65ab136fbc840847ae1e25d56bcec4adc30b2fa6536292179107f354e4ff7c504cd71c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}