{
  "manageEntity": {
    "action": "Repost",
    "entityId": "646423609",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe7a488b51a2b90a714bf1c2d28d010db82a298d43c44a6145a5006f3de291ec6",
    "signature": "0xe05ebcc4144a82fa075bedf8840cb9eff809990f4970330af4abeec889f5f6c829566176e02b42972dafc1d5b161634cdbd0703d56d0ebc2e6e2d6e709f77e9a1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}