{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1512854567",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa05de7415ce230aaa03380968a044b9b2bed69e8f550c5e5e5bf75906d9c05de",
    "signature": "0x5ceb692e479f1f74e07185aa79da9a4924e239427f4ad15ec95e153f9a50e9db5bb618b10c45a4ac40e75829c7f0a8fb2b4562b4baa2097672a028d4ea45cc161b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}