{
  "manageEntity": {
    "action": "Repost",
    "entityId": "400823786",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x81b342811d2cd9bacdbd9215bafd30ce0a241c2defdb44f97b188b6d9bd115fb",
    "signature": "0x589caae32cc3e3784de7a6881271364bf0c6c58f625a8aedf5e238d41b51b4805cd06318c17a5f7a00a26c518d7a2f5e9a874ef54e78a4cd5bcd4624bd25bacf1c",
    "signer": "0xb1B522e4c290853bC2ABb1D802d311A7EB1e696B",
    "userId": "94334210"
  }
}