{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1515331786",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x98be59f53cf3d90992ded52ced5f1e169e75411f5633df616ebea1079d55bfb0",
    "signature": "0xd1fb3e90876f596a039b5628e26980708dd89d09e32909c7d15b37ee2ba63fd26ad3fda88e38423b156985652724140870ef00a6a0bb93846f6a0c79526aeb2e1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}