{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121456",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8382e8bbaa2a4b4d5f14a13b938c83efeef6d145a9e418945f9631d66e70db09",
    "signature": "0xcf027a3e5b05ab8fcacb616a69dda8648d4da933a6338b828a79b99982f2b0f76f7da9c5e93d553742c66fe7304c9b542c4fccf0dd4826dd2d703fc02550724f1b",
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    "userId": "636236864"
  }
}