{
  "manageEntity": {
    "action": "Repost",
    "entityId": "499678246",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa4157ef72fbaeae0d6c721e76ca77dfc405e3e970131aceae7f82bf3b7b85748",
    "signature": "0x3288ee925b2d10e17b0440dec80aa1b492b06d3d6a2a4340a65724b77da1bc15112593f141e958bb778e6c42337e34b1f405b0734dbd1017358504319fb40cac1c",
    "signer": "0x26Feee0AaDc0e2d8f7aBEd5cdb0bCD7D325F618d",
    "userId": "354535"
  }
}