{
  "manageEntity": {
    "action": "Repost",
    "entityId": "513281233",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb38245444b9b37f494e04078fdeefd5985eb5b261372b55fbd867e5081bec8c8",
    "signature": "0x78f0dc25c8f197ac39daf55b3716b7cf1d6f982c151b4f020f80a1bcccc0769859cca1807ac75352dc0c2e6502165129975572b790e1aa0ee6c21742a6b6eb371c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}