{
  "manageEntity": {
    "action": "Repost",
    "entityId": "604793913",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x20cb87bcc600dbd6dcdd0d48f126cba421760fded63d83d821e904aafd90fc60",
    "signature": "0x047b2b09cb91618880666f48c38844af3451698a89d2b16073ad837481ae1df23aabe26c5f792254325920efd4faee012f2b604e1c91d4e51d94664976a8bf0b1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}