{
  "manageEntity": {
    "action": "Repost",
    "entityId": "878689390",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8ae680385d5b09c4bfe599b2fcec8eb558ebf49fe34f8790b174b27a22906b5e",
    "signature": "0x901deb66964206c4874bdf3bbcd4760d38d1d13e92f15283629db7da0486cec057a306683f31a4efba2284578f08d4292259bdb61417bbabbb35ab6e98c54d601c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}