{
  "manageEntity": {
    "action": "Repost",
    "entityId": "856144376",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4c2d99592de088d55f58d52d67b910942aaf969e9519cc26643074210c59c9cf",
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    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}