{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1491150699",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x75e72b925150c29c78a33c80dbdf72efd145b26ccc97e0f8567c702afb868fbc",
    "signature": "0x6da090e082ec6275dad36e6af1041c4e0506edc1144a350d930ddf629be3791f16172b960c3fb7d2e4c03fccb035d20c79ba55f7cca77c37e87685d9eee5e5541b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}