{
  "manageEntity": {
    "action": "Repost",
    "entityId": "531868392",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa52a10b926c8b3d0885c5d257c607bef3026b2d93069bfbd133c5915374dc458",
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    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}