{
  "manageEntity": {
    "action": "Repost",
    "entityId": "637572",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf0c78cf31a939e425fb003cbc074fdfe30f991fee0ced5ea59a22cf014c6d136",
    "signature": "0x66695282d647455385a6e07ff3d579d24581afebdb2ddf0e21eee3693456246910a4ee55dce09296a937ae64f002ef3920ee1b53ca3c7666fe8dfd71a0efd9e41b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}