{
  "manageEntity": {
    "action": "Repost",
    "entityId": "657803",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7de783b419cdeeeffc4fe1c32c2f3c8c5578b96fce095b78e399ba1477b03355",
    "signature": "0xe1fc8c5a2866da910976c81833b0f23546b69da92f04eaa0b38bb69b67d192d066ec0615261a071cd5dda9614760143078783f343237cb74e30f1d6f759569c01b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}