{
  "manageEntity": {
    "action": "Repost",
    "entityId": "668686838",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfd504b36b5c7843d14d89ef8403fb752d5310c575c1419c389410a0cc50c3fd7",
    "signature": "0xf8a2910c36e15d4cee37da53ffdf3c2d04fec229e0aa421e59833965de1065026ce43de5febaae13e6aa64b98972fc9f6d95345fef7a200a95480c03080c4b921b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}