{
  "manageEntity": {
    "action": "Repost",
    "entityId": "474054537",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6c55173078649ca52b8cb1f5a82d9e6c1ef56bc70faa64ca3e540be26426b476",
    "signature": "0xf909f7df00812ede94ee7f7ca22d3c8c2b6925e11f1b3ff97ba001712ba682e25194dd3f89114b64d46faa4a79fd75443a0b12ed90640147516e9c78a3c2df3d1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}