{
  "manageEntity": {
    "action": "Repost",
    "entityId": "538422",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7b8d7f294f91795cb39e59a28cd0b8180e39a37494dc09ab6e723f09ba3a0024",
    "signature": "0x8be0a6736138496b838abfc17f9124b5f8782e81b68b942ea2d54c74b050a048199bdbebf7388068286716214caa009572b81f682fb636f0336297720c625f3d1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}