{
  "manageEntity": {
    "action": "Repost",
    "entityId": "615584642",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x78aecd6235f2345581661f1e1653cc73ad59a8c9c2351dea1d8cca065b9ac4ad",
    "signature": "0x466d5bba21455144fddfdbae51d268518f98c760bdea7bf5878509d6e5f07cc90e0ac7f72d04b751f016bdffcf6beb4346558e74de49947f929cd9469570b9f61b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}