{
  "manageEntity": {
    "action": "Repost",
    "entityId": "645483574",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8fa7589362a76b47cbe62bd36a5f112f8aeeb946f9a6bc6c9714121836a80776",
    "signature": "0x47699c6db7feb9ac0d7c6dc8f192b466c5bdef98df9c256ee0d132da396fad0e5aaf1b8b87c4307c5bd417ef8428b9caf0a3a17af654bc0d5a800544fef38f4c1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}