{
  "manageEntity": {
    "action": "Repost",
    "entityId": "51353",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x22e23d0f6868d2796f3354a5a89fa0e3c883e7075550fc3a2cdcb5a8bf86f02d",
    "signature": "0x9135f21088f613c6b18963a3256bfaa0095be186189343bd20339d221c3d3fec7456a1fd45177fa67dcbc20dfa1f30fa9732af2682bf1eb6dafc6858a1b9d6f21c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}