{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa70729004797e3c735fcc6f8a501281d07e0a1f71e6812280f484a5a79df2188",
    "signature": "0x56b2b31562c6175bc870cfcffb087558890d1e50743d3b07ab1cbe1d9276e19e7bc74f21ae20b6861fe9928d4d6458b506fe9c8774c64a5887ae90eb0d881f161c",
    "signer": "0x48B2FC05BF11CCCB6f73c4BB3a53fac8B0AE8DfE",
    "userId": "971307712"
  }
}