{
  "manageEntity": {
    "action": "Repost",
    "entityId": "858939968",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb4e7d0d728cd952d46558430dc970602e0eaaa385eb0532d31dc61ea45ffcdeb",
    "signature": "0x31baef9c8ff2c988421b4e8e228dfa4983a5070a496d50c01a620e90216605dc34be7007eb4d917d81f71e4c16748862fe0b20a7440b6ce7521b2460c409debd1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}