{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1213364465",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x20c18917e48cbbb8f0a80ed4bf59c50f4c4c8a969b36ebec9ff16fccc66460e2",
    "signature": "0x40366c1208fa416ea36f3ec0b6c39d05449ccafc39b3cc7e518461debb373f81571e6d2390b69b37aef4b5775142864a708c31335dfd9d2dcb67b3b9f70c53071b",
    "signer": "0x26Feee0AaDc0e2d8f7aBEd5cdb0bCD7D325F618d",
    "userId": "354535"
  }
}