{
  "manageEntity": {
    "action": "Repost",
    "entityId": "738313",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd577736e551fdca60ce1581d7e07400ffc36fb00c66c237cd5ba909101525a86",
    "signature": "0x9b19f64ff3db85fe18042e552eba3c522a2dd8f8dc0177510dd6cf258f5b67941f5c239bc4ec01e25f41bd33fa83a5b8ffc0a6302bc30184dec32c07a29b6ca11b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}