{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1557064791",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7853b4fdb92542608629477f096a09bdcfdac37fd91de9469476efae45e7006e",
    "signature": "0xd6d4647e12c1a9be9b0cd336f92862b78cd06a4d62a2d383bdb718b439ba42bd3517ebc8194964c1017dba715bed14301f748ae89d12f68d9f91ff2b3ac366151c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}