{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1543990327",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x98bb6dcab9fc9be20cb5faf527c51adfde9fdce84e2b689457b0b434092bfa01",
    "signature": "0x974bb23a23c9a4f1b0549d3071cfb49ff0d5e9d4fcb75915efece2e724cbc0c6039feb02eb96f2337306611c9a29c949a46b2a9cae468952f06f4ab91d2f1f621b",
    "signer": "0xb1B522e4c290853bC2ABb1D802d311A7EB1e696B",
    "userId": "94334210"
  }
}