{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21732",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x620e6f14236d00e85e95fffd576e1595795e42f4c9fa31cbc28040ded029eca9",
    "signature": "0x3ba4bb3c03c410acf664e083dfb3613b40503ef275b1638ed15f7dcf0c96986a478e905b27ffef508352e36e9d89a3d5b97b316d4cfe37a7b09258ae2b3b746b1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}