{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621737",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x497fbeeccdc8d088ea6ad8e547576461d5944ca4e3431580ce8a1e5e02307e5d",
    "signature": "0x7cee415d03480978d724884599943268e95b65772cb9749afc8e937d3b47872a5a1110fbdecfaeba273e72155659ec541161a07b4067e599a19523cf1938fa5e1c",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}