{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1423211136",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x80a3e1a52d11ae5bed04bca6c45bdf17c6537e55399521f6589682fdf1f578b8",
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    "signer": "0xEeea4f65FD2D7EffBC68176EAbe8544B088Aed57",
    "userId": "584616263"
  }
}