{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1256377431",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0261a65d20f06fd0901afb5c73e54c8c3e4ce196ab00bcfae88f5dfb10872873",
    "signature": "0x4c62179ee591a2acae884311e8cc67d39f7579704f81d6572a92565d16e65cd26d1ad8d992e66c9dbb9437e1027c4a7d3211db8fc2228188eeae60b246c58eb01c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}