{
  "manageEntity": {
    "action": "Repost",
    "entityId": "743612",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x707d7da513f9fdd643b467599712f11113d225e728c6035d3543788821e92d6e",
    "signature": "0x34edc30b92e831f7a8c1c11fd71e687c86934373109ff1ecfa84df6d0f18aea5539cdb4118e45f549ab5f2bb736de7e7a0fabf13633daa40a2399a303d97f52d1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}