{
  "manageEntity": {
    "action": "Repost",
    "entityId": "516225910",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x00643e07d31faef40f58ecb006a3e96f58e3fbbe15c3e59410fa0beffb622dad",
    "signature": "0x175e3e928f09383623dd06d646732bccca4ed4ae281b58e372a2832d5eb0be5766d71d8798773362593010055534c84e409bcad952f45b6cbf48ceb79d2645eb1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}