{
  "manageEntity": {
    "action": "Repost",
    "entityId": "876874301",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3f15624ec6354f1d137861d69914c04219c562058e05e8c7033985ea5192f11b",
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    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}