{
  "manageEntity": {
    "action": "Repost",
    "entityId": "599615",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2a32ccfaeb49e0451e4ce71d3447b2beb1ce4fe92569773d54b86c357683abba",
    "signature": "0x61c8f4a3a873086be2d00f5b7095fe66c9651f23a3ef5dc695ee99f4f90fc24d30b4e20c048cb6de5e1bddc70d1f9a885f38ff0c1331b5da307e4e3895d0b77f1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}