{
  "manageEntity": {
    "action": "Repost",
    "entityId": "703878",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x93c9c31d4d4aae6ccc2b6f33b7c25f80d2f0a8262db39f5ed3a4e9475a4d58b2",
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    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}