{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1338919136",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe4590006b1b2aebc881930c23a120ee3fa22e24c33fa715bce1d46462e8ac1dd",
    "signature": "0x489ea046db655a4a9cb2fe7cc31ec593831b1ab93c550ecf4c8756d818fd70997b68ad4f64e887e0dca3b0f9edd74319b111000b0a5798c46e5fe8dd639d61361c",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}