{
  "manageEntity": {
    "action": "Repost",
    "entityId": "400407417",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x895e5fd3d1f08f20fe44d228c0ca58cf90c74e4a0d20f0a784916966dcd9ee71",
    "signature": "0x3d56376f1a7a106641ac63de45c5f51dfbebd9659b8692f642ecba56ca52343d250d9e4b46a9fd5a39d85a229a516900e8645cc5ecbd67205878759999e53b341b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}