{
  "manageEntity": {
    "action": "Repost",
    "entityId": "449776",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa5b2c114118cddb0430cb78f17b1abda3fcb051ac75dfbf699cf083fa2187a11",
    "signature": "0xcadd9c0dcb7eb1262ebc741b5dd67809787b41d85a810429cbd941be1b66c47166a644ea4608f0ea9bc1b841bd35bf119c6b15d0c80b26e66c40a94b87027c031b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}