{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664790119",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8641a918317f8dc6f397cdc7655cb25b5542d70638b0c13629bd35b01dc9ab5f",
    "signature": "0xd127febcd46a7babcd8e0b71aff5842125f75180d03ec65c3300c0b219dff23b044f7fe5d7ca50521f3adbb3c0dea0a9bc09f41e0de14ed4361ddeba8ca4864b1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}