{
  "manageEntity": {
    "action": "Repost",
    "entityId": "55221",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x596f191df632ffb5f108853d1efabc813c083b4e6aa7535506056f09d8a975e3",
    "signature": "0x82b2ccc427c80e11235089e6f53f7e51b5a80ebdfda74e46343904f2d1f3bc1e1e8378f2bbe4af475cddcad51857e1db2a350746f6e993dc3e8da816a76554d21c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}