{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1503533330",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x98c5df862c2022e252222a88464d79ddb8ee0ff274f801ca9696e94bb60219c5",
    "signature": "0xf6262bccd6dcda5db88d73ce9bbf90001b9b18d258a69a60412c974c2096edf7233d67483953e649a23eb3df29e15b917fdaf8e0400b68455f8e4a3390db1a581c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}