{
  "manageEntity": {
    "action": "Repost",
    "entityId": "454283",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x11fa6e7a34dcee4463ed029136a03d173aa21c25135ba65cd095856b7b42c662",
    "signature": "0x9f7314ff335bc75a7eabc3443b0adbeb4ee610319e2e35f71b29037e038b0df062b125ece94bb84648511a070c59045be4e96acc4c8627ea1cdfbec4583b7ff71b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}