{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1490789138",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb61d7c9554e92cf015b67815f56f40330383f5049fb1c2c718a21b14bc060e9c",
    "signature": "0xbc90912259fa427e953306362c7fd90a18fece1fa928f6c74d6551ffb949d42e505e7a7ae513985f80492f9f78a3d0e52516996da5d3f35a5e2030b063692e181b",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}