{
  "manageEntity": {
    "action": "Repost",
    "entityId": "721609717",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8522b7ac59ddcd1f38716f13839071f947b35eafe9253add94056a001f769430",
    "signature": "0x2c728812375eca54e0caea6a1e87b0c6558566dafaa2594f81b4ed74efbd8f646a5bd43998c580ef37cdf9435d4ca494b7e51eab9061cfd01523d9ddf7cce3bf1c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}