{
  "manageEntity": {
    "action": "Repost",
    "entityId": "290554",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1617b48e3af296429a859fbde0427abab9e12a8822ee4cb9f01710599ba33a0b",
    "signature": "0x640427dba2ead4bb9eea94b7c27e11035141f7bd92c04f00b633b240ac01ffdb2792ebad1c225e87cfda54fe8c693910be7ab381caf95a833d94200780c4215a1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}