{
  "manageEntity": {
    "action": "Repost",
    "entityId": "739808480",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd156389bcbe9dddfce09431aba2fb04c1d6a7d9f358a0b7c0b7e1da3bf4b1747",
    "signature": "0x8d8e6ccbd87668e1c1a44bfc8640a2e6a809b3790e904c71a1ebb9d633fc247e7101fe06dce78ac48d4a905e2a32fd13fe932c7480259518d4983f95bf5c645a1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}