{
  "manageEntity": {
    "action": "Repost",
    "entityId": "523890",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x600f3142b142e22b309328ec5de5e6ee04336a570965595f7b2f948dfde34cac",
    "signature": "0x580efaa0747bfb3c8ab35619bbad71aa2fbd8838544f7aa3a4011ebfa481a8d70515597ce6ba9fafbd8a3d07bf0e05e36e96e6706a7388d489c6cd59a9374c9b1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}