{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1602976213",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc476385c9ca2089f0fd7be34047867a7da11945e0e31e184c7ddf336d3b16388",
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    "signer": "0x669C207e15A757a751fd8f623DFf054C6D3D0b05",
    "userId": "121458"
  }
}