{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1338466239",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdb342eec70858a3a5bfbb2d8918f1afa7855f07430d7fece5ccb1dd858ae98ec",
    "signature": "0xf6580ce75cb6eaeb1c1c20dfe2b155ba8f857e1e7ab33b41eb325953852563a135c07b5873cd2d93b126b1250b32305e85a5e0ced92b5d56c80246c6764da39c1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}