{
  "manageEntity": {
    "action": "Repost",
    "entityId": "888747466",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa05227c42e6cd5050044f0d9425a92d7baa733dd1845888c0a4bbb774ec26a01",
    "signature": "0x99a64455456968bba178e6fbe1266e7d90c79070401c3d55e7f6693164482a35583def5f6d910ae3881b3c71e73c3d05b8a452169f79a07ee7bc9a093a0dcfeb1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}