{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1448967205",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xeb7d59ed62bf38add7b874533cfd1293d83287080c3962bfd80e5fd1b4f4298b",
    "signature": "0x74552394cc52c81c2ff9eeef2c14d4ccc7297dd40efa5d0441883c37cfee78013118f995ff4b0727fb8f00e142e0f1ffb96dd69ab25f137da32a6b383f179bc91b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}