{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1512701864",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9da3a27ad705c3d237f8b5e766b2df96146b7096dc2b7bb009b2f3d1b07b8f27",
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    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}