{
  "manageEntity": {
    "action": "Repost",
    "entityId": "428371",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x46c5cf2cea0107e50a17e8476be54caea08ce01629ed9947baf451fc61526240",
    "signature": "0x769ca66d0840086e51d19a72af5bb3b0744864aeec3e6b5141f255bbc577cba501fe5d9a63a01d16956c8153a177acb7d3fc04a5bff25ce47cfd9d3f6e8a9f6b1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}