{
  "manageEntity": {
    "action": "Repost",
    "entityId": "879816690",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x12d513f951f843f7c97f92ddd122e2d2dbbc1b52395696ee0e7d0f9e57f93bd8",
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    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}