{
  "manageEntity": {
    "action": "Repost",
    "entityId": "751450",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfc4b5397e4c98d38c0ab0466f7df7e5c81433d6ce11e7c65ed14d278b413afaa",
    "signature": "0x6967bb69eca3c7d55dba22aedcfe6f1bf6dadbf9bfcdb0586d0f350bfbcc57792be9da727cff0c73c202d12c02cc1c9efaccbb547fcf72488f666cfb96bd2b9d1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}