{
  "manageEntity": {
    "action": "Repost",
    "entityId": "2121400792",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x87c96977ab3eba8d96d6c69ab83812f1ec64e6cd43509b525bd125af310207fe",
    "signature": "0x75d543191a9d0f5e6434173bd0a6e4ee3a7fb7a4681bd1c49c36b45f5d5d8261154c832c1b6c11900c14f7690b29a9975f5d59ef87590dab9262381a479cd8921c",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}