{
  "manageEntity": {
    "action": "Repost",
    "entityId": "556210307",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0d29bcdb5b5cdc885cd8bc4e055e1122dcd1c25b39972a14a7bf65d87e17e36c",
    "signature": "0x4825879889e769b39459e2aec2f36a8cbc199d9a7d7715c5e82e97dc055ae52d45123bfe2a1aa23d3d63f239c896a3c48ddb260c1510b946cbe3e95d153355751b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}