{
  "manageEntity": {
    "action": "Repost",
    "entityId": "657996998",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb1b8fb39fb0a5c04979bae1e240e473c9484fdb4173bc4c05350a2583bafd30e",
    "signature": "0x2884232d2cbf6d34647b66067dca3f615edf3b075e0145c5ef1cb420f5569dcb5e8363529bbe33cc4ceec24635c5cfac2af579ff0304466358acbdd6f7a8ab3e1c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}