{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621253353",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd4979b3860f19798b079820f9ff74eb9f942367164180179078e5482cd6d4593",
    "signature": "0xd4a82727c5729c682e769a3b960a01bf633c06c45eb7943a1c1ef2b4558d89a36bae6324ebab0807d8c127f0761c60154b894e6ff5e0c57abf921d606503f1251b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}