{
  "manageEntity": {
    "action": "Repost",
    "entityId": "338213",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x90e2d5024f7e517fd4b3b7cb1dd49c5bbf08ba57799fc1eb3f0216d492e0e439",
    "signature": "0x9c622bee00c6aca88d6c2d4f61176e8ebf47b1d7d0fe3a479b095ea4d6b7fa1c3c4c21a613fcf364584a48ac225f15af827b429cfdbe8172dc91ba1a83b6a5f61b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}