{
  "manageEntity": {
    "action": "Repost",
    "entityId": "599142904",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbb4dd0c246c04608fa09a57c56bf11385a4de949529dd9ff13a47baedc268ce1",
    "signature": "0x634b8766f1c816508390b73cc907858b994bd61d375134def2058bed116932fa0121e25092f2845ed499700b53339bf4f7ca2ba94e8c53f8863a633dcbbc4cd31c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}