{
  "manageEntity": {
    "action": "Repost",
    "entityId": "789129",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4c1dc894632bec0bb4005f099e6d25afd385c8572054e68b39bcfd009dd1e9e2",
    "signature": "0xb72e7c1b1aa6bf0d0838dffc88226eed447f74c7c96402c475cc3151d815e26319006231b25808bedcdf8dee36a8c374bf48ff4b1160b890f535bb330cb44c7c1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}