{
  "manageEntity": {
    "action": "Repost",
    "entityId": "338189660",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf6e81ebdb54757ed70bc2bec1a3947da902c90aceef9f918e4c6e699d47df55b",
    "signature": "0xb2c255dc4adedbfc71eceab7ec47f38e3e0610c3e19b1c78ead452aaac7fb70a259749025a8d990874eaa7bf2ec25c083c53c1f929e2dd252654098f662b9a9d1c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}