{
  "manageEntity": {
    "action": "Repost",
    "entityId": "499011915",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1ea14dd24c1e0ec9054df411eb980ed909819e334b0fc5a350a5f970aa70a89a",
    "signature": "0x004bfe136a52d94e6b183dc9cfab58898c55a6a59fb5434e2580be3faec6d4e70736509f048269db7ccacb6a885ab00e938171ca95781b9ef2fbdce9adfd7e331b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}