{
  "manageEntity": {
    "action": "Repost",
    "entityId": "741051096",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3a34c2a7ba832f86ce19a5777fb24f9c6297090f3d6d2a6a5da0ba0b23cc3b1c",
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    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}