{
  "manageEntity": {
    "action": "Repost",
    "entityId": "521386606",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5ee4029f46557b3337dc8c768ddec9c28d8514554444040f633b2554c7e5f40e",
    "signature": "0xe93c2eb946a37819435cb834c3717690b4e4e02f07325e349fa8c6d5538aaecc14a1c4e03d65f2d58fab8f8c02f5e947c41bdcf2840eef4809df1b0fa6de1dd21c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}