{
  "manageEntity": {
    "action": "Repost",
    "entityId": "390022736",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x731516b0f462a61eec131548515f59422221f9dc1aa3720b84f00a573efa1946",
    "signature": "0x5350c315c2e62f2a28a70f2882a015f7e3fa0d2e692c0eeac729a29628e62fac1426f2ef5f824639fe1aaa29c5426f666a80916216d37e46dbf62c9c094e8f701c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}