{
  "manageEntity": {
    "action": "Repost",
    "entityId": "521785509",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbdeecd2d9c59ffb68acc4888ea67633ce717ecb86f7effc296db5b259678022e",
    "signature": "0x4c1f6acdb42faeba0229cb823b4385876a9c79df3227f67a886826e7587912da072be5e93e5d2dce9fed74e0d873aa4b93e10bdc07729262367a40f0bc45bfaf1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}