{
  "manageEntity": {
    "action": "Repost",
    "entityId": "538766",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5e58b69cc9c0764d0d6fdeb59b4a461372926e311fdab25eafa077abfc7ce492",
    "signature": "0xc254420d1303d1e48f1229cf4f69ce238c697e15d0bf645e431f908a132ce49a5345ca4d721f9c7c405efd2c84c5a5e45b9ae36a4dda95513be64f2fb2bd43fb1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}