{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1400763999",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9f9248be57ea45b579504ab25fa7670853fc4b6fb64f37ba54dcbf754c6ea0a6",
    "signature": "0xf4391b13e15a25dc30c21aabad623cd7d3385d6c4d55f3c9a1dd7b5295d1936a22b59ea5c940e9d203dc507ee27ffa349cb3b922cf3555a42c1751d3d90dddd91c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}