{
  "manageEntity": {
    "action": "Repost",
    "entityId": "648907",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0081b1d1f0560d99878bb7289dbbe1a3492594432bd13bede2662c020cfedc12",
    "signature": "0xb87b998632bd89bc8155a4d580c091dd29a8c674caed31273f35ebc6d4dcda4f548a9e67bfe5a40f568ef4fad0b4780d30f06ad3eee3543cae83aad3f719e08c1c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}