{
  "manageEntity": {
    "action": "Repost",
    "entityId": "145381398",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf2cc370e3db53651e7d61681b020d111de6a6d2101b34c98952403be6773985f",
    "signature": "0x1d12af7816e57ca1c89d8ee40c3056699df9256733087cb1a7d249fc0908fbf465d209e5d140f6c0814b4326e288953cf61f3cfce28d3751b212d7f23d3ccf4f1c",
    "signer": "0x19EDB4c1a8740c323f6e57B80F3422C01875289e",
    "userId": "390804"
  }
}