{
  "manageEntity": {
    "action": "Repost",
    "entityId": "857655624",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x811d3ecace770a3d68f974d1dcdb2ebb2b6e9a6cc35cc22d6dd1dbdec938cad6",
    "signature": "0x6507c5f7aaeb27c102b86bb8d0055967d065d400703300c7c90dae4a9102cfb971f960ede9a1378fcbb8af576dd03b1e59b6aa2f6942d17f378499e50a857c0c1b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}