{
  "manageEntity": {
    "action": "Repost",
    "entityId": "421596682",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa4a79cb480e35b9e36e7c643f991e6c97696edef222c396cf49eaeac277ef92f",
    "signature": "0x5b5a2b75db9f1bf0065c2c07b3a137f4ed93aa8a86452809c5737633e22526421b808ea14656a5aa4a46a7dbdafbfa3f3008c799399f286d7a6ff37822fa06d71c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}