{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664017428",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6a26881ee21105796aad3dc804622bb10ac30f4647a096e59822e8a2ba045662",
    "signature": "0x70efdd83b4507a1a360d52b9ab3bd19011bc496b4b36c2f1fc5f3696fa1048255fbc3cb8f2f7e6cdb0321c623ee5ea4f5cc12a6e97ce034ff748eceb0947ae701c",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}