{
  "manageEntity": {
    "action": "Repost",
    "entityId": "499576072",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfdcc26ea680fb039214249a1bad4b5847216201472c3f5d7e7c25dce317fc68d",
    "signature": "0xcd9e914969e385382b44472a600a976bb5981b77a89b253a80c9dc82f981d45c565f5f949d68ea84023748c94aefe72c51c0faffaad86316a1b4416c1676cf921b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}