{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1439416591",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1f9e1d796bec2568e2cd5f90db39559b7fec826a414d2c9038274b100d035d40",
    "signature": "0x15c4f7232829d89de32972983348c210ebe90d7c1a2bf13163143071fd0af8b628d40f407c85f6b2ff4415ca8f27217203fdcc2763a5127efc6ab6cd31090f5c1c",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}