{
  "manageEntity": {
    "action": "Repost",
    "entityId": "557940713",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x14a68d9a0bd362473b10d2e90cdb7d1b9adf201c2dd1efd617fdad799f98d4f6",
    "signature": "0x6099b7f898445c5f405343880ace72fdc6953db03191050d7112755a8b19c4a45c10512853e7f15415b88b7b3e947a20ff0e594f5428abeb050ddfd27d2e6a4c1b",
    "signer": "0xa185Ff45de6FF68eAa1d7ceC338cba250810134c",
    "userId": "54166466"
  }
}