{
  "manageEntity": {
    "action": "Repost",
    "entityId": "290147",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x781dc8aa6da184c8c11ef303b9cda7cb30fcf40bbca435f93e08fa27f337bb84",
    "signature": "0xeaa7a32d4b3533bf510db8ff542c60b2587840c3207b02a39b25b69b8d4adef12b5eece1abf6dbb9d3f32e3e0b832fa0c1e6d2eef94b42f61aa97969d104231a1b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}