{
  "manageEntity": {
    "action": "Repost",
    "entityId": "753613",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd3f47209ac8cf199fa8bf0417d27e50a84402122f06a73d08a35515af69def9d",
    "signature": "0x6239f0fc1ab4944487a360b8cf0778ab53cad352535b8502edc4098a204e3c27798b100eff4ee078b4968353d79a6c4c913f6d662bd57786c2c410ea0fd5d2691b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}