{
  "manageEntity": {
    "action": "Repost",
    "entityId": "783621",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x06543b7eeca121ed7f658dc6f4bf81a0964e6258e17ee902c7fccf248c178b03",
    "signature": "0xc7725cfb85bf9b819414d164ce510146a95f6a8a73e639757d5be2695da4c7060678cde78c9e0f4551e343a592edd273d9a51d14a84b00f26c18165f0a7beb1e1b",
    "signer": "0x5A6DCd6E22135e4225594900c17114A7dAD01964",
    "userId": "580576096"
  }
}