{
  "manageEntity": {
    "action": "Repost",
    "entityId": "638239656",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x90877f635a8ff6fde243109173a9b3e1ec7cec826576e138e7c1b66169281a8a",
    "signature": "0x6bf1190713e571953d5afa0dbff2895cde6ccd0208f31958f999fb3ea3b28f4d576cc6e3bc5b7148363ed5f74783307064694750db6e7447f164e80148d42dc91c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}