{
  "manageEntity": {
    "action": "Repost",
    "entityId": "648042064",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xca3f23e1ce65cc48709ceb92ee26bae502ee602385a94d7b92e6f84b76bd0861",
    "signature": "0xa0901979e62445c7a5d29a3e8d5e6929c18ec56c239246a1ff4d3d79377c342a4491bd5820738f80c93b32149d772440e82b0e15b24d2a296400dd5d3ddc31fd1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}