{
  "manageEntity": {
    "action": "Repost",
    "entityId": "397962",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x641bdb2a332d7f8512da6460722bd69e72013d32023fcd2c12adcf5c3bd5f6fc",
    "signature": "0x54451e070c5e7ef530dda3aa01c2cb9e9ca21fac0a2baf5522528e114f0423762ec0ef2fcd867e496b5c24fde2990e6f701622bb830536ab02586b99f4101d5c1c",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}