{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1505914381",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbcb8707a7a9dd03e8a04cad9fc598c544f17aa4e6c79660a0e35407b19333747",
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    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}