{
  "manageEntity": {
    "action": "Repost",
    "entityId": "639756",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x799796c9c49e59eae168068aed596cf62b0f7b382e84c6db36b7e305fef2ff4a",
    "signature": "0x53663eb2757117c8869f3ba24b70b97556d0004ca96b058eafa3d89bc6e9aea94b42a0c9743b42ed6368a1eff3d022b7b2cc434f43e3d320d36ddf0eb1214b311c",
    "signer": "0x484d8957F3f2AAC8A75b6c9769692fB7Bf806850",
    "userId": "413536646"
  }
}