{
  "manageEntity": {
    "action": "Repost",
    "entityId": "648905",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0c1403444b28a7152e3f61228edd70cf51c2ed517c7164890cf94c1653ae0474",
    "signature": "0x4b614949d0d0945d72a5b0aa559e77844554e6e981f0dc98f2686a52c44848b931d17e246b3b768ca3c5a8612b74a3ee2f53f98212be691491f790be757402011c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}