{
  "manageEntity": {
    "action": "Repost",
    "entityId": "388899",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x07c582e9976f3b7168d8765f30a9812efa402f28d474ded0078088124e933d54",
    "signature": "0x54915abdc1380e7651543c943f106aa41826990e2f4f4606f3f1c4293e5efc731355ef5b0706c2ed2780ac6a5840586d41fa81891c9fe8be6b9580e0d454b3531c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}