{
  "manageEntity": {
    "action": "Repost",
    "entityId": "428876",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xffd8531aee993b915fe0b967b00d67140f889bb50ba19781ae975a76adaaab2f",
    "signature": "0xeaa9b543cbd8e8b10b456ebcff125f99191d340619a6e20b0f6548ebce72fd0a5849520323aa2093e6583859079585927260861a863b215aef8690aa4991b24a1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}