{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1904438216",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8e56491bfadb82bac1c0dd22bb98d089e22667bc5d1df27d582ce8235cb8fa18",
    "signature": "0xd2c1effdf637b9c37ccb8dd41bdf45945e8f62889c515e1b76840fed7a457b0b61a82592b033e1f38569b209246ba9f9e4c6cdc6cebfa07745df563208afb75f1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}