{
  "manageEntity": {
    "action": "Repost",
    "entityId": "647746189",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0cf03e6b95b2075195a67ac62a554297b3437a8bd1860a386947726fdf5937c4",
    "signature": "0x608446104dec366c623197861c48da29bba7dde5d8bedeea5b21e8d8f8fb2851463cd61f6df4b2e6f60a33ecee913271235d63d51604f3f470bce5dfad6b1a201b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}