{
  "manageEntity": {
    "action": "Repost",
    "entityId": "648564",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x825874321d4316ed84bcfa8c50c9686955d509a873051010793b737d069c15d0",
    "signature": "0x03856ac9f2699fc54e17e1dfbcd1a4a0077032d6a01036f3d9d5d48fa7418c5b4b2d644527dbf3d0e3e0b99032ff018572d30b4a0e78a423f1c7dbd5e60f5e021b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}