{
  "manageEntity": {
    "action": "Repost",
    "entityId": "515395",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8a4b7bb4d5b423a862b1514e6926512938519a0494667dc896217dc4f4f56ffe",
    "signature": "0x757bf2e336fc4663188f3cea647ed0591651c9f80dd4a42af9c5922cb5e3713529a4641c9ad377f4968ed93b21735b12d3d3c64949f0d53ededa026527cd125b1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}