{
  "manageEntity": {
    "action": "Repost",
    "entityId": "389288475",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9c9f9175d0266f4d60d1116d70f822beedeeedd4a644a4a17f4cffb31a03c34c",
    "signature": "0x5a74c59cef8ad607269b57c11f83662b63d4fa6af7c65ece86019a2e690a519a1da5ec8043eaedebf019eaaf6fbb620bfe48b86b0074b4991e23ef1177e39ef71b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}