{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664721",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x52a318911818acefb00b1618b5737f568c07c74fa4d9dfe3720fa566c96011bf",
    "signature": "0x836d640585c294d2db2942fa75774377940a0b61fb7920a5ea9190619e66b2800b1dfcb688aa3860a4e621c84b7b7496a63c396d42fbf45d53615c58c8c38a9d1c",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}