{
  "manageEntity": {
    "action": "Repost",
    "entityId": "721532687",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2994ce27e450a155b99bc7d084d0029d1073ad77524069ccdc9a51a994464aba",
    "signature": "0xb3fdadd0c34fbaaa7b65b583f96ddf1a0a49dc718102868d7ee01f8e4434e6d825116b15b37fdad2f14099cc87bb151e6e058e83621734c1cc4ac7d7b71ca7101b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}