{
  "manageEntity": {
    "action": "Repost",
    "entityId": "517512803",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3f5dcb30713aed12035ddc32c578d2be9e6d8c5b3e5c0a8b4b16b326ef0d1217",
    "signature": "0xde71e9ad2f24894b38659b41919e2e3d6b8f44272165cd6bf7373115adf3925c61e9c34d1f27ca719767ce3103f2ae66eb1a4a1c4e3240b7aad0aa3efc1c649e1b",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}