{
  "manageEntity": {
    "action": "Repost",
    "entityId": "618139",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x303d39e734d5f200c9130bd3c2b4ca8a9c0a4b341cdd1c8628d877c79230e39c",
    "signature": "0x9936cc0a618c0c0cd1fb898e3ab8ae6cbd2cd5dbd7e3f323a1d57d09e4b23dd4173047699fe971c7d3dabf07a03c62b4a391fe92e46b05da61c59018e86b47631c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}