{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1449134129",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa9be942c08020421bd0d825b8973b6c40d00e11125ad02cf26d6f77e39dafea1",
    "signature": "0x67ddea26c257a1ddceba3600f18cf95cf392d8a21e56285e2198e730965401471fef36db1975351bc4de94522e288cbdd218e55a59616aec483058dab6e21fc51b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}