{
  "manageEntity": {
    "action": "Repost",
    "entityId": "375909763",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd130c94702e8651f16a30ef647c943f9c9c5ddd625ab56a0af97dc108fb7a457",
    "signature": "0xdb8b44aed3cfd91962bd44e0d0c242eca16587de6fff787f687f73836fb3c25d62211b37f1dc1f94a83264a16648a587a1951333512fe33107cdae6da7d731381b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}