{
  "manageEntity": {
    "action": "Repost",
    "entityId": "123868",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x31c3d9c2a2a7b4630c0614fb4a08879c86abc2bb5fc2aa550d0746ff68c27e86",
    "signature": "0xbfcbf96b9fb2a67ecfb17f4804363b0a39bb630ed380d87c19b3a3a889212ffb4879f89b57330a1ebf40b7a9830caab24349f1f859c83816a882707beae1d1381c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}