{
  "manageEntity": {
    "action": "Repost",
    "entityId": "842314539",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbb663b6705f70f8c97589a9245b12da5840915be4467ef1b30bcf3584a8155f2",
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    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}