{
  "manageEntity": {
    "action": "Repost",
    "entityId": "288758740",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x509ddc7f100bdb7c285c3a1212388ac79a0f5ccd39a006eb0a01ac517ea2f6e4",
    "signature": "0xd219e5dfb82fa2cee01f828e8defc5c5bfe304015733c769dcfcc6f159c86bbe43741520e576ecc144fe72741dea2d3b21ed03eb23f83807d081e4960a3e00511b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}