{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1421072905",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd1358139bee8d2635e5cb5e2c0b635dcadf93f86e10c0c7082a64607f430035f",
    "signature": "0x72ff8c5075d042d8fadc38016a7dd8d58926c20e39a0f46b1931de30d4246c4638ff64ece481d8f2d60a869cd0e9de02576dc3dfff014643f518f2ba1d0d485c1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}